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Finding the Third Proportional to 642,255.50 and 1,398,933

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Solution

The third proportional to 642,255.50 and 1,398,933 is: 3,047,095.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,255.50 : 1,398,933 = 1,398,933 : x
  2. Step 2: Convert to fraction form
    642,255.50/1,398,933 = 1,398,933/x
  3. Step 3: Cross multiply
    642,255.50x = 1,398,933 × 1,398,933
  4. Step 4: Simplify right side
    642,255.50x = 1,957,013,538,489
  5. Step 5: Solve for x
    x = 1,957,013,538,489/642,255.50
  6. Step 6: Final answer
    x = 3,047,095.02

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.