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Finding the Third Proportional to 76,752,781.50 and 125,317,117.50

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Solution

The third proportional to 76,752,781.50 and 125,317,117.50 is: 204,609,912.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,752,781.50 : 125,317,117.50 = 125,317,117.50 : x
  2. Step 2: Convert to fraction form
    76,752,781.50/125,317,117.50 = 125,317,117.50/x
  3. Step 3: Cross multiply
    76,752,781.50x = 125,317,117.50 × 125,317,117.50
  4. Step 4: Simplify right side
    76,752,781.50x = 15,704,379,938,508,806
  5. Step 5: Solve for x
    x = 15,704,379,938,508,806/76,752,781.50
  6. Step 6: Final answer
    x = 204,609,912.91

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.