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Finding the Third Proportional to 38,491,502 and 79,711,407

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Solution

The third proportional to 38,491,502 and 79,711,407 is: 165,073,018.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,491,502 : 79,711,407 = 79,711,407 : x
  2. Step 2: Convert to fraction form
    38,491,502/79,711,407 = 79,711,407/x
  3. Step 3: Cross multiply
    38,491,502x = 79,711,407 × 79,711,407
  4. Step 4: Simplify right side
    38,491,502x = 6,353,908,405,919,649
  5. Step 5: Solve for x
    x = 6,353,908,405,919,649/38,491,502
  6. Step 6: Final answer
    x = 165,073,018.09

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.