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Finding the Third Proportional to 12,266,700.75 and 18,911,763.56

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Solution

The third proportional to 12,266,700.75 and 18,911,763.56 is: 29,156,560.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,266,700.75 : 18,911,763.56 = 18,911,763.56 : x
  2. Step 2: Convert to fraction form
    12,266,700.75/18,911,763.56 = 18,911,763.56/x
  3. Step 3: Cross multiply
    12,266,700.75x = 18,911,763.56 × 18,911,763.56
  4. Step 4: Simplify right side
    12,266,700.75x = 357,654,801,043,902.69
  5. Step 5: Solve for x
    x = 357,654,801,043,902.69/12,266,700.75
  6. Step 6: Final answer
    x = 29,156,560.38

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.