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Finding the Third Proportional to 66,564 and 144,792

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Solution

The third proportional to 66,564 and 144,792 is: 314,955.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,564 : 144,792 = 144,792 : x
  2. Step 2: Convert to fraction form
    66,564/144,792 = 144,792/x
  3. Step 3: Cross multiply
    66,564x = 144,792 × 144,792
  4. Step 4: Simplify right side
    66,564x = 20,964,723,264
  5. Step 5: Solve for x
    x = 20,964,723,264/66,564
  6. Step 6: Final answer
    x = 314,955.88

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.