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Finding the Third Proportional to 8,977,788.56 and 13,929,825.66

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Solution

The third proportional to 8,977,788.56 and 13,929,825.66 is: 21,613,345.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,977,788.56 : 13,929,825.66 = 13,929,825.66 : x
  2. Step 2: Convert to fraction form
    8,977,788.56/13,929,825.66 = 13,929,825.66/x
  3. Step 3: Cross multiply
    8,977,788.56x = 13,929,825.66 × 13,929,825.66
  4. Step 4: Simplify right side
    8,977,788.56x = 194,040,042,813,520.75
  5. Step 5: Solve for x
    x = 194,040,042,813,520.75/8,977,788.56
  6. Step 6: Final answer
    x = 21,613,345.14

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.