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Finding the Third Proportional to 19,115 and 29,537

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Solution

The third proportional to 19,115 and 29,537 is: 45,641.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,115 : 29,537 = 29,537 : x
  2. Step 2: Convert to fraction form
    19,115/29,537 = 29,537/x
  3. Step 3: Cross multiply
    19,115x = 29,537 × 29,537
  4. Step 4: Simplify right side
    19,115x = 872,434,369
  5. Step 5: Solve for x
    x = 872,434,369/19,115
  6. Step 6: Final answer
    x = 45,641.35

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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.