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Finding the Third Proportional to 210,228 and 326,397

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Solution

The third proportional to 210,228 and 326,397 is: 506,759.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,228 : 326,397 = 326,397 : x
  2. Step 2: Convert to fraction form
    210,228/326,397 = 326,397/x
  3. Step 3: Cross multiply
    210,228x = 326,397 × 326,397
  4. Step 4: Simplify right side
    210,228x = 106,535,001,609
  5. Step 5: Solve for x
    x = 106,535,001,609/210,228
  6. Step 6: Final answer
    x = 506,759.34

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.