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Finding the Third Proportional to 18,462,810 and 40,176,636

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Solution

The third proportional to 18,462,810 and 40,176,636 is: 87,427,757.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,462,810 : 40,176,636 = 40,176,636 : x
  2. Step 2: Convert to fraction form
    18,462,810/40,176,636 = 40,176,636/x
  3. Step 3: Cross multiply
    18,462,810x = 40,176,636 × 40,176,636
  4. Step 4: Simplify right side
    18,462,810x = 1,614,162,080,276,496
  5. Step 5: Solve for x
    x = 1,614,162,080,276,496/18,462,810
  6. Step 6: Final answer
    x = 87,427,757.76

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.