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Finding the Third Proportional to 77,134.50 and 116,523

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Solution

The third proportional to 77,134.50 and 116,523 is: 176,025.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,134.50 : 116,523 = 116,523 : x
  2. Step 2: Convert to fraction form
    77,134.50/116,523 = 116,523/x
  3. Step 3: Cross multiply
    77,134.50x = 116,523 × 116,523
  4. Step 4: Simplify right side
    77,134.50x = 13,577,609,529
  5. Step 5: Solve for x
    x = 13,577,609,529/77,134.50
  6. Step 6: Final answer
    x = 176,025.12

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.