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Finding the Third Proportional to 89,196 and 122,312

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Solution

The third proportional to 89,196 and 122,312 is: 167,723.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,196 : 122,312 = 122,312 : x
  2. Step 2: Convert to fraction form
    89,196/122,312 = 122,312/x
  3. Step 3: Cross multiply
    89,196x = 122,312 × 122,312
  4. Step 4: Simplify right side
    89,196x = 14,960,225,344
  5. Step 5: Solve for x
    x = 14,960,225,344/89,196
  6. Step 6: Final answer
    x = 167,723.05

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.