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Finding the Third Proportional to 18,528,053 and 40,245,638

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Solution

The third proportional to 18,528,053 and 40,245,638 is: 87,419,405.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528,053 : 40,245,638 = 40,245,638 : x
  2. Step 2: Convert to fraction form
    18,528,053/40,245,638 = 40,245,638/x
  3. Step 3: Cross multiply
    18,528,053x = 40,245,638 × 40,245,638
  4. Step 4: Simplify right side
    18,528,053x = 1,619,711,378,027,044
  5. Step 5: Solve for x
    x = 1,619,711,378,027,044/18,528,053
  6. Step 6: Final answer
    x = 87,419,405.48

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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.