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Finding the Third Proportional to 8,563,974.75 and 11,664,658.13

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Solution

The third proportional to 8,563,974.75 and 11,664,658.13 is: 15,887,978.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,563,974.75 : 11,664,658.13 = 11,664,658.13 : x
  2. Step 2: Convert to fraction form
    8,563,974.75/11,664,658.13 = 11,664,658.13/x
  3. Step 3: Cross multiply
    8,563,974.75x = 11,664,658.13 × 11,664,658.13
  4. Step 4: Simplify right side
    8,563,974.75x = 136,064,249,173,128.52
  5. Step 5: Solve for x
    x = 136,064,249,173,128.52/8,563,974.75
  6. Step 6: Final answer
    x = 15,887,978.79

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.