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Finding the Third Proportional to 9,982,539 and 20,437,929

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Solution

The third proportional to 9,982,539 and 20,437,929 is: 41,843,957.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,982,539 : 20,437,929 = 20,437,929 : x
  2. Step 2: Convert to fraction form
    9,982,539/20,437,929 = 20,437,929/x
  3. Step 3: Cross multiply
    9,982,539x = 20,437,929 × 20,437,929
  4. Step 4: Simplify right side
    9,982,539x = 417,708,941,809,041
  5. Step 5: Solve for x
    x = 417,708,941,809,041/9,982,539
  6. Step 6: Final answer
    x = 41,843,957.92

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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.