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Finding the Third Proportional to 248,619.38 and 368,266.50

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Solution

The third proportional to 248,619.38 and 368,266.50 is: 545,493.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,619.38 : 368,266.50 = 368,266.50 : x
  2. Step 2: Convert to fraction form
    248,619.38/368,266.50 = 368,266.50/x
  3. Step 3: Cross multiply
    248,619.38x = 368,266.50 × 368,266.50
  4. Step 4: Simplify right side
    248,619.38x = 135,620,215,022.25
  5. Step 5: Solve for x
    x = 135,620,215,022.25/248,619.38
  6. Step 6: Final answer
    x = 545,493.35

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.