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Finding the Third Proportional to 351,286.88 and 555,703.03

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Solution

The third proportional to 351,286.88 and 555,703.03 is: 879,070.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,286.88 : 555,703.03 = 555,703.03 : x
  2. Step 2: Convert to fraction form
    351,286.88/555,703.03 = 555,703.03/x
  3. Step 3: Cross multiply
    351,286.88x = 555,703.03 × 555,703.03
  4. Step 4: Simplify right side
    351,286.88x = 308,805,858,940.44
  5. Step 5: Solve for x
    x = 308,805,858,940.44/351,286.88
  6. Step 6: Final answer
    x = 879,070.30

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.