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Finding the Third Proportional to 18,384,540 and 40,416,023

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Solution

The third proportional to 18,384,540 and 40,416,023 is: 88,849,376.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,384,540 : 40,416,023 = 40,416,023 : x
  2. Step 2: Convert to fraction form
    18,384,540/40,416,023 = 40,416,023/x
  3. Step 3: Cross multiply
    18,384,540x = 40,416,023 × 40,416,023
  4. Step 4: Simplify right side
    18,384,540x = 1,633,454,915,136,529
  5. Step 5: Solve for x
    x = 1,633,454,915,136,529/18,384,540
  6. Step 6: Final answer
    x = 88,849,376.44

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.