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Finding the Third Proportional to 8,696,743 and 18,445,837

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Solution

The third proportional to 8,696,743 and 18,445,837 is: 39,123,715.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,696,743 : 18,445,837 = 18,445,837 : x
  2. Step 2: Convert to fraction form
    8,696,743/18,445,837 = 18,445,837/x
  3. Step 3: Cross multiply
    8,696,743x = 18,445,837 × 18,445,837
  4. Step 4: Simplify right side
    8,696,743x = 340,248,902,630,569
  5. Step 5: Solve for x
    x = 340,248,902,630,569/8,696,743
  6. Step 6: Final answer
    x = 39,123,715.93

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.