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Finding the Third Proportional to 18,546,132 and 40,179,240

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Solution

The third proportional to 18,546,132 and 40,179,240 is: 87,046,254.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,546,132 : 40,179,240 = 40,179,240 : x
  2. Step 2: Convert to fraction form
    18,546,132/40,179,240 = 40,179,240/x
  3. Step 3: Cross multiply
    18,546,132x = 40,179,240 × 40,179,240
  4. Step 4: Simplify right side
    18,546,132x = 1,614,371,326,977,600
  5. Step 5: Solve for x
    x = 1,614,371,326,977,600/18,546,132
  6. Step 6: Final answer
    x = 87,046,254.55

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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.