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Finding the Third Proportional to 39,188,308 and 54,811,387

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Solution

The third proportional to 39,188,308 and 54,811,387 is: 76,662,869.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,188,308 : 54,811,387 = 54,811,387 : x
  2. Step 2: Convert to fraction form
    39,188,308/54,811,387 = 54,811,387/x
  3. Step 3: Cross multiply
    39,188,308x = 54,811,387 × 54,811,387
  4. Step 4: Simplify right side
    39,188,308x = 3,004,288,144,863,769
  5. Step 5: Solve for x
    x = 3,004,288,144,863,769/39,188,308
  6. Step 6: Final answer
    x = 76,662,869.57

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.