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Finding the Third Proportional to 12,924,192 and 20,275,920

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Solution

The third proportional to 12,924,192 and 20,275,920 is: 31,809,565.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,924,192 : 20,275,920 = 20,275,920 : x
  2. Step 2: Convert to fraction form
    12,924,192/20,275,920 = 20,275,920/x
  3. Step 3: Cross multiply
    12,924,192x = 20,275,920 × 20,275,920
  4. Step 4: Simplify right side
    12,924,192x = 411,112,931,846,400
  5. Step 5: Solve for x
    x = 411,112,931,846,400/12,924,192
  6. Step 6: Final answer
    x = 31,809,565.49

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.