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Finding the Third Proportional to 79,390.13 and 169,851.94

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Solution

The third proportional to 79,390.13 and 169,851.94 is: 363,391.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,390.13 : 169,851.94 = 169,851.94 : x
  2. Step 2: Convert to fraction form
    79,390.13/169,851.94 = 169,851.94/x
  3. Step 3: Cross multiply
    79,390.13x = 169,851.94 × 169,851.94
  4. Step 4: Simplify right side
    79,390.13x = 28,849,680,672.50
  5. Step 5: Solve for x
    x = 28,849,680,672.50/79,390.13
  6. Step 6: Final answer
    x = 363,391.30

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.