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Finding the Third Proportional to 350,734 and 767,078

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Solution

The third proportional to 350,734 and 767,078 is: 1,677,649.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,734 : 767,078 = 767,078 : x
  2. Step 2: Convert to fraction form
    350,734/767,078 = 767,078/x
  3. Step 3: Cross multiply
    350,734x = 767,078 × 767,078
  4. Step 4: Simplify right side
    350,734x = 588,408,658,084
  5. Step 5: Solve for x
    x = 588,408,658,084/350,734
  6. Step 6: Final answer
    x = 1,677,649.32

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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.