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Finding the Third Proportional to 18,181,558 and 39,247,291

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Solution

The third proportional to 18,181,558 and 39,247,291 is: 84,720,454.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,181,558 : 39,247,291 = 39,247,291 : x
  2. Step 2: Convert to fraction form
    18,181,558/39,247,291 = 39,247,291/x
  3. Step 3: Cross multiply
    18,181,558x = 39,247,291 × 39,247,291
  4. Step 4: Simplify right side
    18,181,558x = 1,540,349,850,838,681
  5. Step 5: Solve for x
    x = 1,540,349,850,838,681/18,181,558
  6. Step 6: Final answer
    x = 84,720,454.15

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.