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Finding the Third Proportional to 9,424,872 and 20,353,680

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Solution

The third proportional to 9,424,872 and 20,353,680 is: 43,955,216.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,424,872 : 20,353,680 = 20,353,680 : x
  2. Step 2: Convert to fraction form
    9,424,872/20,353,680 = 20,353,680/x
  3. Step 3: Cross multiply
    9,424,872x = 20,353,680 × 20,353,680
  4. Step 4: Simplify right side
    9,424,872x = 414,272,289,542,400
  5. Step 5: Solve for x
    x = 414,272,289,542,400/9,424,872
  6. Step 6: Final answer
    x = 43,955,216.53

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.