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Finding the Third Proportional to 9,288,472 and 20,126,981

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Solution

The third proportional to 9,288,472 and 20,126,981 is: 43,612,702.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,288,472 : 20,126,981 = 20,126,981 : x
  2. Step 2: Convert to fraction form
    9,288,472/20,126,981 = 20,126,981/x
  3. Step 3: Cross multiply
    9,288,472x = 20,126,981 × 20,126,981
  4. Step 4: Simplify right side
    9,288,472x = 405,095,364,174,361
  5. Step 5: Solve for x
    x = 405,095,364,174,361/9,288,472
  6. Step 6: Final answer
    x = 43,612,702.30

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.