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Finding the Third Proportional to 83,532,222 and 129,078,441

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Solution

The third proportional to 83,532,222 and 129,078,441 is: 199,458,885.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,532,222 : 129,078,441 = 129,078,441 : x
  2. Step 2: Convert to fraction form
    83,532,222/129,078,441 = 129,078,441/x
  3. Step 3: Cross multiply
    83,532,222x = 129,078,441 × 129,078,441
  4. Step 4: Simplify right side
    83,532,222x = 16,661,243,930,990,480
  5. Step 5: Solve for x
    x = 16,661,243,930,990,480/83,532,222
  6. Step 6: Final answer
    x = 199,458,885.83

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.