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Finding the Third Proportional to 19,703 and 29,487

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Solution

The third proportional to 19,703 and 29,487 is: 44,129.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,703 : 29,487 = 29,487 : x
  2. Step 2: Convert to fraction form
    19,703/29,487 = 29,487/x
  3. Step 3: Cross multiply
    19,703x = 29,487 × 29,487
  4. Step 4: Simplify right side
    19,703x = 869,483,169
  5. Step 5: Solve for x
    x = 869,483,169/19,703
  6. Step 6: Final answer
    x = 44,129.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.