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Finding the Third Proportional to 79,041.38 and 115,603.88

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Solution

The third proportional to 79,041.38 and 115,603.88 is: 169,079.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,041.38 : 115,603.88 = 115,603.88 : x
  2. Step 2: Convert to fraction form
    79,041.38/115,603.88 = 115,603.88/x
  3. Step 3: Cross multiply
    79,041.38x = 115,603.88 × 115,603.88
  4. Step 4: Simplify right side
    79,041.38x = 13,364,255,915.02
  5. Step 5: Solve for x
    x = 13,364,255,915.02/79,041.38
  6. Step 6: Final answer
    x = 169,079.24

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.