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Finding the Third Proportional to 167,432.50 and 255,079.50

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Solution

The third proportional to 167,432.50 and 255,079.50 is: 388,607.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,432.50 : 255,079.50 = 255,079.50 : x
  2. Step 2: Convert to fraction form
    167,432.50/255,079.50 = 255,079.50/x
  3. Step 3: Cross multiply
    167,432.50x = 255,079.50 × 255,079.50
  4. Step 4: Simplify right side
    167,432.50x = 65,065,551,320.25
  5. Step 5: Solve for x
    x = 65,065,551,320.25/167,432.50
  6. Step 6: Final answer
    x = 388,607.66

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.