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Finding the Third Proportional to 20,174,391 and 41,784,289

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Solution

The third proportional to 20,174,391 and 41,784,289 is: 86,541,735.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,174,391 : 41,784,289 = 41,784,289 : x
  2. Step 2: Convert to fraction form
    20,174,391/41,784,289 = 41,784,289/x
  3. Step 3: Cross multiply
    20,174,391x = 41,784,289 × 41,784,289
  4. Step 4: Simplify right side
    20,174,391x = 1,745,926,807,235,521
  5. Step 5: Solve for x
    x = 1,745,926,807,235,521/20,174,391
  6. Step 6: Final answer
    x = 86,541,735.37

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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.