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Finding the Third Proportional to 8,274,915 and 12,845,403

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Solution

The third proportional to 8,274,915 and 12,845,403 is: 19,940,310.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,274,915 : 12,845,403 = 12,845,403 : x
  2. Step 2: Convert to fraction form
    8,274,915/12,845,403 = 12,845,403/x
  3. Step 3: Cross multiply
    8,274,915x = 12,845,403 × 12,845,403
  4. Step 4: Simplify right side
    8,274,915x = 165,004,378,232,409
  5. Step 5: Solve for x
    x = 165,004,378,232,409/8,274,915
  6. Step 6: Final answer
    x = 19,940,310.96

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.