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Finding the Third Proportional to 248,530.88 and 388,788.75

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Solution

The third proportional to 248,530.88 and 388,788.75 is: 608,200.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,530.88 : 388,788.75 = 388,788.75 : x
  2. Step 2: Convert to fraction form
    248,530.88/388,788.75 = 388,788.75/x
  3. Step 3: Cross multiply
    248,530.88x = 388,788.75 × 388,788.75
  4. Step 4: Simplify right side
    248,530.88x = 151,156,692,126.56
  5. Step 5: Solve for x
    x = 151,156,692,126.56/248,530.88
  6. Step 6: Final answer
    x = 608,200.86

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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.