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Finding the Third Proportional to 51,747.38 and 77,877.75

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Solution

The third proportional to 51,747.38 and 77,877.75 is: 117,202.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,747.38 : 77,877.75 = 77,877.75 : x
  2. Step 2: Convert to fraction form
    51,747.38/77,877.75 = 77,877.75/x
  3. Step 3: Cross multiply
    51,747.38x = 77,877.75 × 77,877.75
  4. Step 4: Simplify right side
    51,747.38x = 6,064,943,945.06
  5. Step 5: Solve for x
    x = 6,064,943,945.06/51,747.38
  6. Step 6: Final answer
    x = 117,202.93

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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.