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Finding the Third Proportional to 197,860.75 and 402,708

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Solution

The third proportional to 197,860.75 and 402,708 is: 819,635.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,860.75 : 402,708 = 402,708 : x
  2. Step 2: Convert to fraction form
    197,860.75/402,708 = 402,708/x
  3. Step 3: Cross multiply
    197,860.75x = 402,708 × 402,708
  4. Step 4: Simplify right side
    197,860.75x = 162,173,733,264
  5. Step 5: Solve for x
    x = 162,173,733,264/197,860.75
  6. Step 6: Final answer
    x = 819,635.69

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.