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Finding the Third Proportional to 8,802,216 and 18,905,970.38

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Solution

The third proportional to 8,802,216 and 18,905,970.38 is: 40,607,469.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,802,216 : 18,905,970.38 = 18,905,970.38 : x
  2. Step 2: Convert to fraction form
    8,802,216/18,905,970.38 = 18,905,970.38/x
  3. Step 3: Cross multiply
    8,802,216x = 18,905,970.38 × 18,905,970.38
  4. Step 4: Simplify right side
    8,802,216x = 357,435,715,820,377.62
  5. Step 5: Solve for x
    x = 357,435,715,820,377.62/8,802,216
  6. Step 6: Final answer
    x = 40,607,469.28

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.