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Finding the Third Proportional to 328,539.38 and 712,847.25

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Solution

The third proportional to 328,539.38 and 712,847.25 is: 1,546,698.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,539.38 : 712,847.25 = 712,847.25 : x
  2. Step 2: Convert to fraction form
    328,539.38/712,847.25 = 712,847.25/x
  3. Step 3: Cross multiply
    328,539.38x = 712,847.25 × 712,847.25
  4. Step 4: Simplify right side
    328,539.38x = 508,151,201,832.56
  5. Step 5: Solve for x
    x = 508,151,201,832.56/328,539.38
  6. Step 6: Final answer
    x = 1,546,698.02

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.