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Finding the Third Proportional to 4,521,766 and 9,828,908

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Solution

The third proportional to 4,521,766 and 9,828,908 is: 21,364,978.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,521,766 : 9,828,908 = 9,828,908 : x
  2. Step 2: Convert to fraction form
    4,521,766/9,828,908 = 9,828,908/x
  3. Step 3: Cross multiply
    4,521,766x = 9,828,908 × 9,828,908
  4. Step 4: Simplify right side
    4,521,766x = 96,607,432,472,464
  5. Step 5: Solve for x
    x = 96,607,432,472,464/4,521,766
  6. Step 6: Final answer
    x = 21,364,978.30

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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.