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Finding the Third Proportional to 328,293 and 491,710.50

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Solution

The third proportional to 328,293 and 491,710.50 is: 736,473.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,293 : 491,710.50 = 491,710.50 : x
  2. Step 2: Convert to fraction form
    328,293/491,710.50 = 491,710.50/x
  3. Step 3: Cross multiply
    328,293x = 491,710.50 × 491,710.50
  4. Step 4: Simplify right side
    328,293x = 241,779,215,810.25
  5. Step 5: Solve for x
    x = 241,779,215,810.25/328,293
  6. Step 6: Final answer
    x = 736,473.87

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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.