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Finding the Third Proportional to 18,881,003.11 and 29,155,572.84

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Solution

The third proportional to 18,881,003.11 and 29,155,572.84 is: 45,021,306.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,881,003.11 : 29,155,572.84 = 29,155,572.84 : x
  2. Step 2: Convert to fraction form
    18,881,003.11/29,155,572.84 = 29,155,572.84/x
  3. Step 3: Cross multiply
    18,881,003.11x = 29,155,572.84 × 29,155,572.84
  4. Step 4: Simplify right side
    18,881,003.11x = 850,047,427,847,212.50
  5. Step 5: Solve for x
    x = 850,047,427,847,212.50/18,881,003.11
  6. Step 6: Final answer
    x = 45,021,306.49

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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.