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Finding the Third Proportional to 339,315.75 and 528,999.19

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Solution

The third proportional to 339,315.75 and 528,999.19 is: 824,718.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,315.75 : 528,999.19 = 528,999.19 : x
  2. Step 2: Convert to fraction form
    339,315.75/528,999.19 = 528,999.19/x
  3. Step 3: Cross multiply
    339,315.75x = 528,999.19 × 528,999.19
  4. Step 4: Simplify right side
    339,315.75x = 279,840,140,375.66
  5. Step 5: Solve for x
    x = 279,840,140,375.66/339,315.75
  6. Step 6: Final answer
    x = 824,718.98

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.