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Finding the Third Proportional to 176,690.25 and 392,584.50

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Solution

The third proportional to 176,690.25 and 392,584.50 is: 872,275.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,690.25 : 392,584.50 = 392,584.50 : x
  2. Step 2: Convert to fraction form
    176,690.25/392,584.50 = 392,584.50/x
  3. Step 3: Cross multiply
    176,690.25x = 392,584.50 × 392,584.50
  4. Step 4: Simplify right side
    176,690.25x = 154,122,589,640.25
  5. Step 5: Solve for x
    x = 154,122,589,640.25/176,690.25
  6. Step 6: Final answer
    x = 872,275.58

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.