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Finding the Third Proportional to 87,246,828 and 135,095,778

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Solution

The third proportional to 87,246,828 and 135,095,778 is: 209,186,622.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,246,828 : 135,095,778 = 135,095,778 : x
  2. Step 2: Convert to fraction form
    87,246,828/135,095,778 = 135,095,778/x
  3. Step 3: Cross multiply
    87,246,828x = 135,095,778 × 135,095,778
  4. Step 4: Simplify right side
    87,246,828x = 18,250,869,233,425,284
  5. Step 5: Solve for x
    x = 18,250,869,233,425,284/87,246,828
  6. Step 6: Final answer
    x = 209,186,622.04

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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.