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Finding the Third Proportional to 18,211,329 and 39,018,771

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Solution

The third proportional to 18,211,329 and 39,018,771 is: 83,599,856.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,211,329 : 39,018,771 = 39,018,771 : x
  2. Step 2: Convert to fraction form
    18,211,329/39,018,771 = 39,018,771/x
  3. Step 3: Cross multiply
    18,211,329x = 39,018,771 × 39,018,771
  4. Step 4: Simplify right side
    18,211,329x = 1,522,464,490,350,441
  5. Step 5: Solve for x
    x = 1,522,464,490,350,441/18,211,329
  6. Step 6: Final answer
    x = 83,599,856.46

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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.