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Finding the Third Proportional to 18,299,748 and 39,612,102

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Solution

The third proportional to 18,299,748 and 39,612,102 is: 85,745,367.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,299,748 : 39,612,102 = 39,612,102 : x
  2. Step 2: Convert to fraction form
    18,299,748/39,612,102 = 39,612,102/x
  3. Step 3: Cross multiply
    18,299,748x = 39,612,102 × 39,612,102
  4. Step 4: Simplify right side
    18,299,748x = 1,569,118,624,858,404
  5. Step 5: Solve for x
    x = 1,569,118,624,858,404/18,299,748
  6. Step 6: Final answer
    x = 85,745,367.91

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.