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Finding the Third Proportional to 12,866,446 and 28,291,682

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Solution

The third proportional to 12,866,446 and 28,291,682 is: 62,209,818.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,866,446 : 28,291,682 = 28,291,682 : x
  2. Step 2: Convert to fraction form
    12,866,446/28,291,682 = 28,291,682/x
  3. Step 3: Cross multiply
    12,866,446x = 28,291,682 × 28,291,682
  4. Step 4: Simplify right side
    12,866,446x = 800,419,270,389,124
  5. Step 5: Solve for x
    x = 800,419,270,389,124/12,866,446
  6. Step 6: Final answer
    x = 62,209,818.50

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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.