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Finding the Third Proportional to 79,100 and 168,248

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Solution

The third proportional to 79,100 and 168,248 is: 357,868.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,100 : 168,248 = 168,248 : x
  2. Step 2: Convert to fraction form
    79,100/168,248 = 168,248/x
  3. Step 3: Cross multiply
    79,100x = 168,248 × 168,248
  4. Step 4: Simplify right side
    79,100x = 28,307,389,504
  5. Step 5: Solve for x
    x = 28,307,389,504/79,100
  6. Step 6: Final answer
    x = 357,868.39

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.