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Finding the Third Proportional to 665,065 and 1,377,425

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Solution

The third proportional to 665,065 and 1,377,425 is: 2,852,803.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,065 : 1,377,425 = 1,377,425 : x
  2. Step 2: Convert to fraction form
    665,065/1,377,425 = 1,377,425/x
  3. Step 3: Cross multiply
    665,065x = 1,377,425 × 1,377,425
  4. Step 4: Simplify right side
    665,065x = 1,897,299,630,625
  5. Step 5: Solve for x
    x = 1,897,299,630,625/665,065
  6. Step 6: Final answer
    x = 2,852,803.31

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.