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Finding the Third Proportional to 81,142,576.75 and 191,356,724

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Solution

The third proportional to 81,142,576.75 and 191,356,724 is: 451,272,282.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,142,576.75 : 191,356,724 = 191,356,724 : x
  2. Step 2: Convert to fraction form
    81,142,576.75/191,356,724 = 191,356,724/x
  3. Step 3: Cross multiply
    81,142,576.75x = 191,356,724 × 191,356,724
  4. Step 4: Simplify right side
    81,142,576.75x = 36,617,395,820,012,176
  5. Step 5: Solve for x
    x = 36,617,395,820,012,176/81,142,576.75
  6. Step 6: Final answer
    x = 451,272,282.53

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.