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Finding the Third Proportional to 12,866,457 and 28,291,704

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Solution

The third proportional to 12,866,457 and 28,291,704 is: 62,209,862.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,866,457 : 28,291,704 = 28,291,704 : x
  2. Step 2: Convert to fraction form
    12,866,457/28,291,704 = 28,291,704/x
  3. Step 3: Cross multiply
    12,866,457x = 28,291,704 × 28,291,704
  4. Step 4: Simplify right side
    12,866,457x = 800,420,515,223,616
  5. Step 5: Solve for x
    x = 800,420,515,223,616/12,866,457
  6. Step 6: Final answer
    x = 62,209,862.06

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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.