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Finding the Third Proportional to 81,252,807.75 and 175,758,468.75

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Solution

The third proportional to 81,252,807.75 and 175,758,468.75 is: 380,184,269.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,252,807.75 : 175,758,468.75 = 175,758,468.75 : x
  2. Step 2: Convert to fraction form
    81,252,807.75/175,758,468.75 = 175,758,468.75/x
  3. Step 3: Cross multiply
    81,252,807.75x = 175,758,468.75 × 175,758,468.75
  4. Step 4: Simplify right side
    81,252,807.75x = 30,891,039,337,344,728
  5. Step 5: Solve for x
    x = 30,891,039,337,344,728/81,252,807.75
  6. Step 6: Final answer
    x = 380,184,269.23

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.