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Finding the Third Proportional to 18,384,534 and 40,416,012

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Solution

The third proportional to 18,384,534 and 40,416,012 is: 88,849,357.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,384,534 : 40,416,012 = 40,416,012 : x
  2. Step 2: Convert to fraction form
    18,384,534/40,416,012 = 40,416,012/x
  3. Step 3: Cross multiply
    18,384,534x = 40,416,012 × 40,416,012
  4. Step 4: Simplify right side
    18,384,534x = 1,633,454,025,984,144
  5. Step 5: Solve for x
    x = 1,633,454,025,984,144/18,384,534
  6. Step 6: Final answer
    x = 88,849,357.07

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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.