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Finding the Third Proportional to 176,912 and 260,148

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Solution

The third proportional to 176,912 and 260,148 is: 382,546.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,912 : 260,148 = 260,148 : x
  2. Step 2: Convert to fraction form
    176,912/260,148 = 260,148/x
  3. Step 3: Cross multiply
    176,912x = 260,148 × 260,148
  4. Step 4: Simplify right side
    176,912x = 67,676,981,904
  5. Step 5: Solve for x
    x = 67,676,981,904/176,912
  6. Step 6: Final answer
    x = 382,546.02

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.