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Finding the Third Proportional to 4,042,710 and 8,676,882

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Solution

The third proportional to 4,042,710 and 8,676,882 is: 18,623,220.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,042,710 : 8,676,882 = 8,676,882 : x
  2. Step 2: Convert to fraction form
    4,042,710/8,676,882 = 8,676,882/x
  3. Step 3: Cross multiply
    4,042,710x = 8,676,882 × 8,676,882
  4. Step 4: Simplify right side
    4,042,710x = 75,288,281,241,924
  5. Step 5: Solve for x
    x = 75,288,281,241,924/4,042,710
  6. Step 6: Final answer
    x = 18,623,220.87

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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.