Home / 157,825,380-345,821,640

Finding the Third Proportional to 157,825,380 and 345,821,640

Calculator

Solution

The third proportional to 157,825,380 and 345,821,640 is: 757,752,692.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,825,380 : 345,821,640 = 345,821,640 : x
  2. Step 2: Convert to fraction form
    157,825,380/345,821,640 = 345,821,640/x
  3. Step 3: Cross multiply
    157,825,380x = 345,821,640 × 345,821,640
  4. Step 4: Simplify right side
    157,825,380x = 119,592,606,692,289,600
  5. Step 5: Solve for x
    x = 119,592,606,692,289,600/157,825,380
  6. Step 6: Final answer
    x = 757,752,692.83

Related Problems

Find third proportional to 78,912,690 and 172,910,820
Half scale
Find third proportional to 315,650,760 and 691,643,280
Double scale
Find third proportional to 157,825,382 and 345,821,644
Similar ratio
Find third proportional to 236,738,070 and 518,732,460
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.