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Finding the Third Proportional to 8,538,599.25 and 18,738,432

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Solution

The third proportional to 8,538,599.25 and 18,738,432 is: 41,122,533.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,538,599.25 : 18,738,432 = 18,738,432 : x
  2. Step 2: Convert to fraction form
    8,538,599.25/18,738,432 = 18,738,432/x
  3. Step 3: Cross multiply
    8,538,599.25x = 18,738,432 × 18,738,432
  4. Step 4: Simplify right side
    8,538,599.25x = 351,128,833,818,624
  5. Step 5: Solve for x
    x = 351,128,833,818,624/8,538,599.25
  6. Step 6: Final answer
    x = 41,122,533.51

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.