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Finding the Third Proportional to 34,984,921 and 76,122,921

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Solution

The third proportional to 34,984,921 and 76,122,921 is: 165,634,191.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,984,921 : 76,122,921 = 76,122,921 : x
  2. Step 2: Convert to fraction form
    34,984,921/76,122,921 = 76,122,921/x
  3. Step 3: Cross multiply
    34,984,921x = 76,122,921 × 76,122,921
  4. Step 4: Simplify right side
    34,984,921x = 5,794,699,101,572,241
  5. Step 5: Solve for x
    x = 5,794,699,101,572,241/34,984,921
  6. Step 6: Final answer
    x = 165,634,191.42

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.