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Finding the Third Proportional to 12,925,446 and 19,138,605

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Solution

The third proportional to 12,925,446 and 19,138,605 is: 28,338,380.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,925,446 : 19,138,605 = 19,138,605 : x
  2. Step 2: Convert to fraction form
    12,925,446/19,138,605 = 19,138,605/x
  3. Step 3: Cross multiply
    12,925,446x = 19,138,605 × 19,138,605
  4. Step 4: Simplify right side
    12,925,446x = 366,286,201,346,025
  5. Step 5: Solve for x
    x = 366,286,201,346,025/12,925,446
  6. Step 6: Final answer
    x = 28,338,380.07

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.