Home / 59,688-128,718

Finding the Third Proportional to 59,688 and 128,718

Calculator

Solution

The third proportional to 59,688 and 128,718 is: 277,582.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,688 : 128,718 = 128,718 : x
  2. Step 2: Convert to fraction form
    59,688/128,718 = 128,718/x
  3. Step 3: Cross multiply
    59,688x = 128,718 × 128,718
  4. Step 4: Simplify right side
    59,688x = 16,568,323,524
  5. Step 5: Solve for x
    x = 16,568,323,524/59,688
  6. Step 6: Final answer
    x = 277,582.15

Related Problems

Find third proportional to 29,844 and 64,359
Half scale
Find third proportional to 119,376 and 257,436
Double scale
Find third proportional to 59,690 and 128,722
Similar ratio
Find third proportional to 89,532 and 193,077
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.