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Finding the Third Proportional to 47,881,330 and 74,292,150

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Solution

The third proportional to 47,881,330 and 74,292,150 is: 115,270,890.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,881,330 : 74,292,150 = 74,292,150 : x
  2. Step 2: Convert to fraction form
    47,881,330/74,292,150 = 74,292,150/x
  3. Step 3: Cross multiply
    47,881,330x = 74,292,150 × 74,292,150
  4. Step 4: Simplify right side
    47,881,330x = 5,519,323,551,622,500
  5. Step 5: Solve for x
    x = 5,519,323,551,622,500/47,881,330
  6. Step 6: Final answer
    x = 115,270,890.59

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.