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Finding the Third Proportional to 76,998 and 168,708

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Solution

The third proportional to 76,998 and 168,708 is: 369,651.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,998 : 168,708 = 168,708 : x
  2. Step 2: Convert to fraction form
    76,998/168,708 = 168,708/x
  3. Step 3: Cross multiply
    76,998x = 168,708 × 168,708
  4. Step 4: Simplify right side
    76,998x = 28,462,389,264
  5. Step 5: Solve for x
    x = 28,462,389,264/76,998
  6. Step 6: Final answer
    x = 369,651.02

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.