Home / 157,916-345,354

Finding the Third Proportional to 157,916 and 345,354

Calculator

Solution

The third proportional to 157,916 and 345,354 is: 755,271.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,916 : 345,354 = 345,354 : x
  2. Step 2: Convert to fraction form
    157,916/345,354 = 345,354/x
  3. Step 3: Cross multiply
    157,916x = 345,354 × 345,354
  4. Step 4: Simplify right side
    157,916x = 119,269,385,316
  5. Step 5: Solve for x
    x = 119,269,385,316/157,916
  6. Step 6: Final answer
    x = 755,271.06

Related Problems

Find third proportional to 78,958 and 172,677
Half scale
Find third proportional to 315,832 and 690,708
Double scale
Find third proportional to 157,918 and 345,358
Similar ratio
Find third proportional to 236,874 and 518,031
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.