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Finding the Third Proportional to 240,338.50 and 556,368

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Solution

The third proportional to 240,338.50 and 556,368 is: 1,287,955.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,338.50 : 556,368 = 556,368 : x
  2. Step 2: Convert to fraction form
    240,338.50/556,368 = 556,368/x
  3. Step 3: Cross multiply
    240,338.50x = 556,368 × 556,368
  4. Step 4: Simplify right side
    240,338.50x = 309,545,351,424
  5. Step 5: Solve for x
    x = 309,545,351,424/240,338.50
  6. Step 6: Final answer
    x = 1,287,955.74

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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.