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Finding the Third Proportional to 40,907,132 and 87,487,828

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Solution

The third proportional to 40,907,132 and 87,487,828 is: 187,109,671.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,907,132 : 87,487,828 = 87,487,828 : x
  2. Step 2: Convert to fraction form
    40,907,132/87,487,828 = 87,487,828/x
  3. Step 3: Cross multiply
    40,907,132x = 87,487,828 × 87,487,828
  4. Step 4: Simplify right side
    40,907,132x = 7,654,120,048,157,584
  5. Step 5: Solve for x
    x = 7,654,120,048,157,584/40,907,132
  6. Step 6: Final answer
    x = 187,109,671.93

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.