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Finding the Third Proportional to 248,697.38 and 375,409.50

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Solution

The third proportional to 248,697.38 and 375,409.50 is: 566,681.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,697.38 : 375,409.50 = 375,409.50 : x
  2. Step 2: Convert to fraction form
    248,697.38/375,409.50 = 375,409.50/x
  3. Step 3: Cross multiply
    248,697.38x = 375,409.50 × 375,409.50
  4. Step 4: Simplify right side
    248,697.38x = 140,932,292,690.25
  5. Step 5: Solve for x
    x = 140,932,292,690.25/248,697.38
  6. Step 6: Final answer
    x = 566,681.87

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.