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Finding the Third Proportional to 86,648,644 and 190,304,264

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Solution

The third proportional to 86,648,644 and 190,304,264 is: 417,960,526.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,648,644 : 190,304,264 = 190,304,264 : x
  2. Step 2: Convert to fraction form
    86,648,644/190,304,264 = 190,304,264/x
  3. Step 3: Cross multiply
    86,648,644x = 190,304,264 × 190,304,264
  4. Step 4: Simplify right side
    86,648,644x = 36,215,712,896,581,696
  5. Step 5: Solve for x
    x = 36,215,712,896,581,696/86,648,644
  6. Step 6: Final answer
    x = 417,960,526.84

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.