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Finding the Third Proportional to 9,306,561 and 20,107,371

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Solution

The third proportional to 9,306,561 and 20,107,371 is: 43,443,154.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,306,561 : 20,107,371 = 20,107,371 : x
  2. Step 2: Convert to fraction form
    9,306,561/20,107,371 = 20,107,371/x
  3. Step 3: Cross multiply
    9,306,561x = 20,107,371 × 20,107,371
  4. Step 4: Simplify right side
    9,306,561x = 404,306,368,531,641
  5. Step 5: Solve for x
    x = 404,306,368,531,641/9,306,561
  6. Step 6: Final answer
    x = 43,443,154.62

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.