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Finding the Third Proportional to 20,174,387 and 41,784,281

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Solution

The third proportional to 20,174,387 and 41,784,281 is: 86,541,719.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,174,387 : 41,784,281 = 41,784,281 : x
  2. Step 2: Convert to fraction form
    20,174,387/41,784,281 = 41,784,281/x
  3. Step 3: Cross multiply
    20,174,387x = 41,784,281 × 41,784,281
  4. Step 4: Simplify right side
    20,174,387x = 1,745,926,138,686,961
  5. Step 5: Solve for x
    x = 1,745,926,138,686,961/20,174,387
  6. Step 6: Final answer
    x = 86,541,719.39

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.