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Finding the Third Proportional to 8,386,929 and 18,344,125

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Solution

The third proportional to 8,386,929 and 18,344,125 is: 40,122,781.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,386,929 : 18,344,125 = 18,344,125 : x
  2. Step 2: Convert to fraction form
    8,386,929/18,344,125 = 18,344,125/x
  3. Step 3: Cross multiply
    8,386,929x = 18,344,125 × 18,344,125
  4. Step 4: Simplify right side
    8,386,929x = 336,506,922,015,625
  5. Step 5: Solve for x
    x = 336,506,922,015,625/8,386,929
  6. Step 6: Final answer
    x = 40,122,781.77

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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.