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Finding the Third Proportional to 345,129.75 and 738,238.50

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Solution

The third proportional to 345,129.75 and 738,238.50 is: 1,579,104.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,129.75 : 738,238.50 = 738,238.50 : x
  2. Step 2: Convert to fraction form
    345,129.75/738,238.50 = 738,238.50/x
  3. Step 3: Cross multiply
    345,129.75x = 738,238.50 × 738,238.50
  4. Step 4: Simplify right side
    345,129.75x = 544,996,082,882.25
  5. Step 5: Solve for x
    x = 544,996,082,882.25/345,129.75
  6. Step 6: Final answer
    x = 1,579,104.91

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.