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Finding the Third Proportional to 351,228 and 755,726

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Solution

The third proportional to 351,228 and 755,726 is: 1,626,071.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,228 : 755,726 = 755,726 : x
  2. Step 2: Convert to fraction form
    351,228/755,726 = 755,726/x
  3. Step 3: Cross multiply
    351,228x = 755,726 × 755,726
  4. Step 4: Simplify right side
    351,228x = 571,121,787,076
  5. Step 5: Solve for x
    x = 571,121,787,076/351,228
  6. Step 6: Final answer
    x = 1,626,071.35

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.