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Finding the Third Proportional to 347,799.75 and 528,990

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Solution

The third proportional to 347,799.75 and 528,990 is: 804,573.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,799.75 : 528,990 = 528,990 : x
  2. Step 2: Convert to fraction form
    347,799.75/528,990 = 528,990/x
  3. Step 3: Cross multiply
    347,799.75x = 528,990 × 528,990
  4. Step 4: Simplify right side
    347,799.75x = 279,830,420,100
  5. Step 5: Solve for x
    x = 279,830,420,100/347,799.75
  6. Step 6: Final answer
    x = 804,573.38

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.