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Finding the Third Proportional to 13,378,776 and 20,193,552

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Solution

The third proportional to 13,378,776 and 20,193,552 is: 30,479,585.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,378,776 : 20,193,552 = 20,193,552 : x
  2. Step 2: Convert to fraction form
    13,378,776/20,193,552 = 20,193,552/x
  3. Step 3: Cross multiply
    13,378,776x = 20,193,552 × 20,193,552
  4. Step 4: Simplify right side
    13,378,776x = 407,779,542,376,704
  5. Step 5: Solve for x
    x = 407,779,542,376,704/13,378,776
  6. Step 6: Final answer
    x = 30,479,585.16

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.