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Finding the Third Proportional to 18,881,040.19 and 29,155,627.78

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Solution

The third proportional to 18,881,040.19 and 29,155,627.78 is: 45,021,387.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,881,040.19 : 29,155,627.78 = 29,155,627.78 : x
  2. Step 2: Convert to fraction form
    18,881,040.19/29,155,627.78 = 29,155,627.78/x
  3. Step 3: Cross multiply
    18,881,040.19x = 29,155,627.78 × 29,155,627.78
  4. Step 4: Simplify right side
    18,881,040.19x = 850,050,631,318,796.75
  5. Step 5: Solve for x
    x = 850,050,631,318,796.75/18,881,040.19
  6. Step 6: Final answer
    x = 45,021,387.75

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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.