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Finding the Third Proportional to 36,861,352 and 79,856,419

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Solution

The third proportional to 36,861,352 and 79,856,419 is: 173,000,915.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,861,352 : 79,856,419 = 79,856,419 : x
  2. Step 2: Convert to fraction form
    36,861,352/79,856,419 = 79,856,419/x
  3. Step 3: Cross multiply
    36,861,352x = 79,856,419 × 79,856,419
  4. Step 4: Simplify right side
    36,861,352x = 6,377,047,655,503,561
  5. Step 5: Solve for x
    x = 6,377,047,655,503,561/36,861,352
  6. Step 6: Final answer
    x = 173,000,915.85

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.