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Finding the Third Proportional to 87,799,476 and 189,084,260

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Solution

The third proportional to 87,799,476 and 189,084,260 is: 407,210,373.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,799,476 : 189,084,260 = 189,084,260 : x
  2. Step 2: Convert to fraction form
    87,799,476/189,084,260 = 189,084,260/x
  3. Step 3: Cross multiply
    87,799,476x = 189,084,260 × 189,084,260
  4. Step 4: Simplify right side
    87,799,476x = 35,752,857,379,747,600
  5. Step 5: Solve for x
    x = 35,752,857,379,747,600/87,799,476
  6. Step 6: Final answer
    x = 407,210,373.10

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.