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Finding the Third Proportional to 34,780 and 75,092

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Solution

The third proportional to 34,780 and 75,092 is: 162,127.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,780 : 75,092 = 75,092 : x
  2. Step 2: Convert to fraction form
    34,780/75,092 = 75,092/x
  3. Step 3: Cross multiply
    34,780x = 75,092 × 75,092
  4. Step 4: Simplify right side
    34,780x = 5,638,808,464
  5. Step 5: Solve for x
    x = 5,638,808,464/34,780
  6. Step 6: Final answer
    x = 162,127.90

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.