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Finding the Third Proportional to 87,799,464 and 189,084,240

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Solution

The third proportional to 87,799,464 and 189,084,240 is: 407,210,342.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,799,464 : 189,084,240 = 189,084,240 : x
  2. Step 2: Convert to fraction form
    87,799,464/189,084,240 = 189,084,240/x
  3. Step 3: Cross multiply
    87,799,464x = 189,084,240 × 189,084,240
  4. Step 4: Simplify right side
    87,799,464x = 35,752,849,816,377,600
  5. Step 5: Solve for x
    x = 35,752,849,816,377,600/87,799,464
  6. Step 6: Final answer
    x = 407,210,342.61

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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.