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Finding the Third Proportional to 99,038,135.53 and 217,208,147.06

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Solution

The third proportional to 99,038,135.53 and 217,208,147.06 is: 476,375,881.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,038,135.53 : 217,208,147.06 = 217,208,147.06 : x
  2. Step 2: Convert to fraction form
    99,038,135.53/217,208,147.06 = 217,208,147.06/x
  3. Step 3: Cross multiply
    99,038,135.53x = 217,208,147.06 × 217,208,147.06
  4. Step 4: Simplify right side
    99,038,135.53x = 47,179,379,150,324,624
  5. Step 5: Solve for x
    x = 47,179,379,150,324,624/99,038,135.53
  6. Step 6: Final answer
    x = 476,375,881.85

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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.