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Finding the Third Proportional to 12,253,680 and 20,351,808

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Solution

The third proportional to 12,253,680 and 20,351,808 is: 33,801,771.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,253,680 : 20,351,808 = 20,351,808 : x
  2. Step 2: Convert to fraction form
    12,253,680/20,351,808 = 20,351,808/x
  3. Step 3: Cross multiply
    12,253,680x = 20,351,808 × 20,351,808
  4. Step 4: Simplify right side
    12,253,680x = 414,196,088,868,864
  5. Step 5: Solve for x
    x = 414,196,088,868,864/12,253,680
  6. Step 6: Final answer
    x = 33,801,771.29

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Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.