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Finding the Third Proportional to 774,375 and 1,660,815

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Solution

The third proportional to 774,375 and 1,660,815 is: 3,561,977.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,375 : 1,660,815 = 1,660,815 : x
  2. Step 2: Convert to fraction form
    774,375/1,660,815 = 1,660,815/x
  3. Step 3: Cross multiply
    774,375x = 1,660,815 × 1,660,815
  4. Step 4: Simplify right side
    774,375x = 2,758,306,464,225
  5. Step 5: Solve for x
    x = 2,758,306,464,225/774,375
  6. Step 6: Final answer
    x = 3,561,977.68

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.