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Finding the Third Proportional to 39,188,364 and 54,811,459

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Solution

The third proportional to 39,188,364 and 54,811,459 is: 76,662,961.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,188,364 : 54,811,459 = 54,811,459 : x
  2. Step 2: Convert to fraction form
    39,188,364/54,811,459 = 54,811,459/x
  3. Step 3: Cross multiply
    39,188,364x = 54,811,459 × 54,811,459
  4. Step 4: Simplify right side
    39,188,364x = 3,004,296,037,708,681
  5. Step 5: Solve for x
    x = 3,004,296,037,708,681/39,188,364
  6. Step 6: Final answer
    x = 76,662,961.43

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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.