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Finding the Third Proportional to 400,254.19 and 619,084.69

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Solution

The third proportional to 400,254.19 and 619,084.69 is: 957,556.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,254.19 : 619,084.69 = 619,084.69 : x
  2. Step 2: Convert to fraction form
    400,254.19/619,084.69 = 619,084.69/x
  3. Step 3: Cross multiply
    400,254.19x = 619,084.69 × 619,084.69
  4. Step 4: Simplify right side
    400,254.19x = 383,265,850,296.97
  5. Step 5: Solve for x
    x = 383,265,850,296.97/400,254.19
  6. Step 6: Final answer
    x = 957,556.13

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.