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Finding the Third Proportional to 18,528,049 and 40,245,629

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Solution

The third proportional to 18,528,049 and 40,245,629 is: 87,419,385.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528,049 : 40,245,629 = 40,245,629 : x
  2. Step 2: Convert to fraction form
    18,528,049/40,245,629 = 40,245,629/x
  3. Step 3: Cross multiply
    18,528,049x = 40,245,629 × 40,245,629
  4. Step 4: Simplify right side
    18,528,049x = 1,619,710,653,605,641
  5. Step 5: Solve for x
    x = 1,619,710,653,605,641/18,528,049
  6. Step 6: Final answer
    x = 87,419,385.26

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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.