Home / 62,940-128,784

Finding the Third Proportional to 62,940 and 128,784

Calculator

Solution

The third proportional to 62,940 and 128,784 is: 263,509.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,940 : 128,784 = 128,784 : x
  2. Step 2: Convert to fraction form
    62,940/128,784 = 128,784/x
  3. Step 3: Cross multiply
    62,940x = 128,784 × 128,784
  4. Step 4: Simplify right side
    62,940x = 16,585,318,656
  5. Step 5: Solve for x
    x = 16,585,318,656/62,940
  6. Step 6: Final answer
    x = 263,509.99

Related Problems

Find third proportional to 31,470 and 64,392
Half scale
Find third proportional to 125,880 and 257,568
Double scale
Find third proportional to 62,942 and 128,788
Similar ratio
Find third proportional to 94,410 and 193,176
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.