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Finding the Third Proportional to 74,432 and 101,074

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Solution

The third proportional to 74,432 and 101,074 is: 137,252.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,432 : 101,074 = 101,074 : x
  2. Step 2: Convert to fraction form
    74,432/101,074 = 101,074/x
  3. Step 3: Cross multiply
    74,432x = 101,074 × 101,074
  4. Step 4: Simplify right side
    74,432x = 10,215,953,476
  5. Step 5: Solve for x
    x = 10,215,953,476/74,432
  6. Step 6: Final answer
    x = 137,252.17

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.