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Finding the Third Proportional to 20,174,407 and 41,784,320

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Solution

The third proportional to 20,174,407 and 41,784,320 is: 86,541,795.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,174,407 : 41,784,320 = 41,784,320 : x
  2. Step 2: Convert to fraction form
    20,174,407/41,784,320 = 41,784,320/x
  3. Step 3: Cross multiply
    20,174,407x = 41,784,320 × 41,784,320
  4. Step 4: Simplify right side
    20,174,407x = 1,745,929,397,862,400
  5. Step 5: Solve for x
    x = 1,745,929,397,862,400/20,174,407
  6. Step 6: Final answer
    x = 86,541,795.15

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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.