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Finding the Third Proportional to 51,250.50 and 77,913

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Solution

The third proportional to 51,250.50 and 77,913 is: 118,446.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,250.50 : 77,913 = 77,913 : x
  2. Step 2: Convert to fraction form
    51,250.50/77,913 = 77,913/x
  3. Step 3: Cross multiply
    51,250.50x = 77,913 × 77,913
  4. Step 4: Simplify right side
    51,250.50x = 6,070,435,569
  5. Step 5: Solve for x
    x = 6,070,435,569/51,250.50
  6. Step 6: Final answer
    x = 118,446.37

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.