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Finding the Third Proportional to 9,982,340 and 20,437,554

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Solution

The third proportional to 9,982,340 and 20,437,554 is: 41,843,256.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,982,340 : 20,437,554 = 20,437,554 : x
  2. Step 2: Convert to fraction form
    9,982,340/20,437,554 = 20,437,554/x
  3. Step 3: Cross multiply
    9,982,340x = 20,437,554 × 20,437,554
  4. Step 4: Simplify right side
    9,982,340x = 417,693,613,502,916
  5. Step 5: Solve for x
    x = 417,693,613,502,916/9,982,340
  6. Step 6: Final answer
    x = 41,843,256.54

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.