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Finding the Third Proportional to 8,078,920 and 17,702,923

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Solution

The third proportional to 8,078,920 and 17,702,923 is: 38,791,507.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,078,920 : 17,702,923 = 17,702,923 : x
  2. Step 2: Convert to fraction form
    8,078,920/17,702,923 = 17,702,923/x
  3. Step 3: Cross multiply
    8,078,920x = 17,702,923 × 17,702,923
  4. Step 4: Simplify right side
    8,078,920x = 313,393,482,743,929
  5. Step 5: Solve for x
    x = 313,393,482,743,929/8,078,920
  6. Step 6: Final answer
    x = 38,791,507.13

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.