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Finding the Third Proportional to 349,458.75 and 764,343.75

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Solution

The third proportional to 349,458.75 and 764,343.75 is: 1,671,789.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,458.75 : 764,343.75 = 764,343.75 : x
  2. Step 2: Convert to fraction form
    349,458.75/764,343.75 = 764,343.75/x
  3. Step 3: Cross multiply
    349,458.75x = 764,343.75 × 764,343.75
  4. Step 4: Simplify right side
    349,458.75x = 584,221,368,164.06
  5. Step 5: Solve for x
    x = 584,221,368,164.06/349,458.75
  6. Step 6: Final answer
    x = 1,671,789.21

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.