Home / 282,830-609,940

Finding the Third Proportional to 282,830 and 609,940

Calculator

Solution

The third proportional to 282,830 and 609,940 is: 1,315,372.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,830 : 609,940 = 609,940 : x
  2. Step 2: Convert to fraction form
    282,830/609,940 = 609,940/x
  3. Step 3: Cross multiply
    282,830x = 609,940 × 609,940
  4. Step 4: Simplify right side
    282,830x = 372,026,803,600
  5. Step 5: Solve for x
    x = 372,026,803,600/282,830
  6. Step 6: Final answer
    x = 1,315,372.50

Related Problems

Find third proportional to 141,415 and 304,970
Half scale
Find third proportional to 565,660 and 1,219,880
Double scale
Find third proportional to 282,832 and 609,944
Similar ratio
Find third proportional to 424,245 and 914,910
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.