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Finding the Third Proportional to 20,174,418 and 41,784,342

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Solution

The third proportional to 20,174,418 and 41,784,342 is: 86,541,839.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,174,418 : 41,784,342 = 41,784,342 : x
  2. Step 2: Convert to fraction form
    20,174,418/41,784,342 = 41,784,342/x
  3. Step 3: Cross multiply
    20,174,418x = 41,784,342 × 41,784,342
  4. Step 4: Simplify right side
    20,174,418x = 1,745,931,236,372,964
  5. Step 5: Solve for x
    x = 1,745,931,236,372,964/20,174,418
  6. Step 6: Final answer
    x = 86,541,839.09

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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.