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Finding the Third Proportional to 132,792 and 286,320

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Solution

The third proportional to 132,792 and 286,320 is: 617,350.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,792 : 286,320 = 286,320 : x
  2. Step 2: Convert to fraction form
    132,792/286,320 = 286,320/x
  3. Step 3: Cross multiply
    132,792x = 286,320 × 286,320
  4. Step 4: Simplify right side
    132,792x = 81,979,142,400
  5. Step 5: Solve for x
    x = 81,979,142,400/132,792
  6. Step 6: Final answer
    x = 617,350.01

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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.