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Finding the Third Proportional to 34,513 and 75,487

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Solution

The third proportional to 34,513 and 75,487 is: 165,105.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,513 : 75,487 = 75,487 : x
  2. Step 2: Convert to fraction form
    34,513/75,487 = 75,487/x
  3. Step 3: Cross multiply
    34,513x = 75,487 × 75,487
  4. Step 4: Simplify right side
    34,513x = 5,698,287,169
  5. Step 5: Solve for x
    x = 5,698,287,169/34,513
  6. Step 6: Final answer
    x = 165,105.53

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.