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Finding the Third Proportional to 92,448 and 199,143

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Solution

The third proportional to 92,448 and 199,143 is: 428,975.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,448 : 199,143 = 199,143 : x
  2. Step 2: Convert to fraction form
    92,448/199,143 = 199,143/x
  3. Step 3: Cross multiply
    92,448x = 199,143 × 199,143
  4. Step 4: Simplify right side
    92,448x = 39,657,934,449
  5. Step 5: Solve for x
    x = 39,657,934,449/92,448
  6. Step 6: Final answer
    x = 428,975.58

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.