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Finding the Third Proportional to 8,629,523.88 and 13,398,981

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Solution

The third proportional to 8,629,523.88 and 13,398,981 is: 20,804,472.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,629,523.88 : 13,398,981 = 13,398,981 : x
  2. Step 2: Convert to fraction form
    8,629,523.88/13,398,981 = 13,398,981/x
  3. Step 3: Cross multiply
    8,629,523.88x = 13,398,981 × 13,398,981
  4. Step 4: Simplify right side
    8,629,523.88x = 179,532,691,838,361
  5. Step 5: Solve for x
    x = 179,532,691,838,361/8,629,523.88
  6. Step 6: Final answer
    x = 20,804,472.46

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.