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Finding the Third Proportional to 61,128,290.25 and 91,450,073.25

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Solution

The third proportional to 61,128,290.25 and 91,450,073.25 is: 136,812,527.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,128,290.25 : 91,450,073.25 = 91,450,073.25 : x
  2. Step 2: Convert to fraction form
    61,128,290.25/91,450,073.25 = 91,450,073.25/x
  3. Step 3: Cross multiply
    61,128,290.25x = 91,450,073.25 × 91,450,073.25
  4. Step 4: Simplify right side
    61,128,290.25x = 8,363,115,897,430,366
  5. Step 5: Solve for x
    x = 8,363,115,897,430,366/61,128,290.25
  6. Step 6: Final answer
    x = 136,812,527.61

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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.