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Finding the Third Proportional to 308,295 and 461,182.50

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Solution

The third proportional to 308,295 and 461,182.50 is: 689,888.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,295 : 461,182.50 = 461,182.50 : x
  2. Step 2: Convert to fraction form
    308,295/461,182.50 = 461,182.50/x
  3. Step 3: Cross multiply
    308,295x = 461,182.50 × 461,182.50
  4. Step 4: Simplify right side
    308,295x = 212,689,298,306.25
  5. Step 5: Solve for x
    x = 212,689,298,306.25/308,295
  6. Step 6: Final answer
    x = 689,888.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.