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Finding the Third Proportional to 78,925.50 and 167,708.25

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Solution

The third proportional to 78,925.50 and 167,708.25 is: 356,362.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,925.50 : 167,708.25 = 167,708.25 : x
  2. Step 2: Convert to fraction form
    78,925.50/167,708.25 = 167,708.25/x
  3. Step 3: Cross multiply
    78,925.50x = 167,708.25 × 167,708.25
  4. Step 4: Simplify right side
    78,925.50x = 28,126,057,118.06
  5. Step 5: Solve for x
    x = 28,126,057,118.06/78,925.50
  6. Step 6: Final answer
    x = 356,362.10

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.