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Finding the Third Proportional to 13,189,787 and 28,635,545

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Solution

The third proportional to 13,189,787 and 28,635,545 is: 62,168,891.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,189,787 : 28,635,545 = 28,635,545 : x
  2. Step 2: Convert to fraction form
    13,189,787/28,635,545 = 28,635,545/x
  3. Step 3: Cross multiply
    13,189,787x = 28,635,545 × 28,635,545
  4. Step 4: Simplify right side
    13,189,787x = 819,994,437,447,025
  5. Step 5: Solve for x
    x = 819,994,437,447,025/13,189,787
  6. Step 6: Final answer
    x = 62,168,891.54

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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.