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Finding the Third Proportional to 8,613,891 and 18,925,920

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Solution

The third proportional to 8,613,891 and 18,925,920 is: 41,582,886.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,613,891 : 18,925,920 = 18,925,920 : x
  2. Step 2: Convert to fraction form
    8,613,891/18,925,920 = 18,925,920/x
  3. Step 3: Cross multiply
    8,613,891x = 18,925,920 × 18,925,920
  4. Step 4: Simplify right side
    8,613,891x = 358,190,447,846,400
  5. Step 5: Solve for x
    x = 358,190,447,846,400/8,613,891
  6. Step 6: Final answer
    x = 41,582,886.04

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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.