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Finding the Third Proportional to 29,432 and 61,784

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Solution

The third proportional to 29,432 and 61,784 is: 129,697.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,432 : 61,784 = 61,784 : x
  2. Step 2: Convert to fraction form
    29,432/61,784 = 61,784/x
  3. Step 3: Cross multiply
    29,432x = 61,784 × 61,784
  4. Step 4: Simplify right side
    29,432x = 3,817,262,656
  5. Step 5: Solve for x
    x = 3,817,262,656/29,432
  6. Step 6: Final answer
    x = 129,697.70

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.