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Finding the Third Proportional to 6,986,832 and 15,272,928

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Solution

The third proportional to 6,986,832 and 15,272,928 is: 33,385,993.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,986,832 : 15,272,928 = 15,272,928 : x
  2. Step 2: Convert to fraction form
    6,986,832/15,272,928 = 15,272,928/x
  3. Step 3: Cross multiply
    6,986,832x = 15,272,928 × 15,272,928
  4. Step 4: Simplify right side
    6,986,832x = 233,262,329,693,184
  5. Step 5: Solve for x
    x = 233,262,329,693,184/6,986,832
  6. Step 6: Final answer
    x = 33,385,993.78

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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.