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Finding the Third Proportional to 106,830 and 247,307

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Solution

The third proportional to 106,830 and 247,307 is: 572,505.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,830 : 247,307 = 247,307 : x
  2. Step 2: Convert to fraction form
    106,830/247,307 = 247,307/x
  3. Step 3: Cross multiply
    106,830x = 247,307 × 247,307
  4. Step 4: Simplify right side
    106,830x = 61,160,752,249
  5. Step 5: Solve for x
    x = 61,160,752,249/106,830
  6. Step 6: Final answer
    x = 572,505.40

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.