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Finding the Third Proportional to 8,656,216 and 18,513,175

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Solution

The third proportional to 8,656,216 and 18,513,175 is: 39,594,396.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,656,216 : 18,513,175 = 18,513,175 : x
  2. Step 2: Convert to fraction form
    8,656,216/18,513,175 = 18,513,175/x
  3. Step 3: Cross multiply
    8,656,216x = 18,513,175 × 18,513,175
  4. Step 4: Simplify right side
    8,656,216x = 342,737,648,580,625
  5. Step 5: Solve for x
    x = 342,737,648,580,625/8,656,216
  6. Step 6: Final answer
    x = 39,594,396.51

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.