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Finding the Third Proportional to 79,177.22 and 122,702.77

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Solution

The third proportional to 79,177.22 and 122,702.77 is: 190,155.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,177.22 : 122,702.77 = 122,702.77 : x
  2. Step 2: Convert to fraction form
    79,177.22/122,702.77 = 122,702.77/x
  3. Step 3: Cross multiply
    79,177.22x = 122,702.77 × 122,702.77
  4. Step 4: Simplify right side
    79,177.22x = 15,055,968,692.02
  5. Step 5: Solve for x
    x = 15,055,968,692.02/79,177.22
  6. Step 6: Final answer
    x = 190,155.31

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.