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Finding the Third Proportional to 12,868,125 and 28,286,616

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Solution

The third proportional to 12,868,125 and 28,286,616 is: 62,179,427.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,868,125 : 28,286,616 = 28,286,616 : x
  2. Step 2: Convert to fraction form
    12,868,125/28,286,616 = 28,286,616/x
  3. Step 3: Cross multiply
    12,868,125x = 28,286,616 × 28,286,616
  4. Step 4: Simplify right side
    12,868,125x = 800,132,644,731,456
  5. Step 5: Solve for x
    x = 800,132,644,731,456/12,868,125
  6. Step 6: Final answer
    x = 62,179,427.44

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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.