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Finding the Third Proportional to 240,351 and 556,395

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Solution

The third proportional to 240,351 and 556,395 is: 1,288,013.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,351 : 556,395 = 556,395 : x
  2. Step 2: Convert to fraction form
    240,351/556,395 = 556,395/x
  3. Step 3: Cross multiply
    240,351x = 556,395 × 556,395
  4. Step 4: Simplify right side
    240,351x = 309,575,396,025
  5. Step 5: Solve for x
    x = 309,575,396,025/240,351
  6. Step 6: Final answer
    x = 1,288,013.76

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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.