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Finding the Third Proportional to 13,240,432 and 20,245,424

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Solution

The third proportional to 13,240,432 and 20,245,424 is: 30,956,481.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,240,432 : 20,245,424 = 20,245,424 : x
  2. Step 2: Convert to fraction form
    13,240,432/20,245,424 = 20,245,424/x
  3. Step 3: Cross multiply
    13,240,432x = 20,245,424 × 20,245,424
  4. Step 4: Simplify right side
    13,240,432x = 409,877,192,939,776
  5. Step 5: Solve for x
    x = 409,877,192,939,776/13,240,432
  6. Step 6: Final answer
    x = 30,956,481.85

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.