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Finding the Third Proportional to 66,582 and 144,252

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Solution

The third proportional to 66,582 and 144,252 is: 312,526.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,582 : 144,252 = 144,252 : x
  2. Step 2: Convert to fraction form
    66,582/144,252 = 144,252/x
  3. Step 3: Cross multiply
    66,582x = 144,252 × 144,252
  4. Step 4: Simplify right side
    66,582x = 20,808,639,504
  5. Step 5: Solve for x
    x = 20,808,639,504/66,582
  6. Step 6: Final answer
    x = 312,526.50

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.