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Finding the Third Proportional to 29,472 and 45,636

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Solution

The third proportional to 29,472 and 45,636 is: 70,665.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,472 : 45,636 = 45,636 : x
  2. Step 2: Convert to fraction form
    29,472/45,636 = 45,636/x
  3. Step 3: Cross multiply
    29,472x = 45,636 × 45,636
  4. Step 4: Simplify right side
    29,472x = 2,082,644,496
  5. Step 5: Solve for x
    x = 2,082,644,496/29,472
  6. Step 6: Final answer
    x = 70,665.19

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.