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Finding the Third Proportional to 79,353 and 122,816.25

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Solution

The third proportional to 79,353 and 122,816.25 is: 190,085.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,353 : 122,816.25 = 122,816.25 : x
  2. Step 2: Convert to fraction form
    79,353/122,816.25 = 122,816.25/x
  3. Step 3: Cross multiply
    79,353x = 122,816.25 × 122,816.25
  4. Step 4: Simplify right side
    79,353x = 15,083,831,264.06
  5. Step 5: Solve for x
    x = 15,083,831,264.06/79,353
  6. Step 6: Final answer
    x = 190,085.20

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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.