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Finding the Third Proportional to 19,960,631 and 43,309,209

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Solution

The third proportional to 19,960,631 and 43,309,209 is: 93,969,353.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,960,631 : 43,309,209 = 43,309,209 : x
  2. Step 2: Convert to fraction form
    19,960,631/43,309,209 = 43,309,209/x
  3. Step 3: Cross multiply
    19,960,631x = 43,309,209 × 43,309,209
  4. Step 4: Simplify right side
    19,960,631x = 1,875,687,584,205,681
  5. Step 5: Solve for x
    x = 1,875,687,584,205,681/19,960,631
  6. Step 6: Final answer
    x = 93,969,353.18

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.