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Finding the Third Proportional to 18,008,460 and 39,432,192

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Solution

The third proportional to 18,008,460 and 39,432,192 is: 86,342,628.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,008,460 : 39,432,192 = 39,432,192 : x
  2. Step 2: Convert to fraction form
    18,008,460/39,432,192 = 39,432,192/x
  3. Step 3: Cross multiply
    18,008,460x = 39,432,192 × 39,432,192
  4. Step 4: Simplify right side
    18,008,460x = 1,554,897,765,924,864
  5. Step 5: Solve for x
    x = 1,554,897,765,924,864/18,008,460
  6. Step 6: Final answer
    x = 86,342,628.18

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.