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Finding the Third Proportional to 4,545,444 and 9,811,920

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Solution

The third proportional to 4,545,444 and 9,811,920 is: 21,180,279.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,545,444 : 9,811,920 = 9,811,920 : x
  2. Step 2: Convert to fraction form
    4,545,444/9,811,920 = 9,811,920/x
  3. Step 3: Cross multiply
    4,545,444x = 9,811,920 × 9,811,920
  4. Step 4: Simplify right side
    4,545,444x = 96,273,774,086,400
  5. Step 5: Solve for x
    x = 96,273,774,086,400/4,545,444
  6. Step 6: Final answer
    x = 21,180,279.44

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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.