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Finding the Third Proportional to 135,492 and 296,816

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Solution

The third proportional to 135,492 and 296,816 is: 650,220.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,492 : 296,816 = 296,816 : x
  2. Step 2: Convert to fraction form
    135,492/296,816 = 296,816/x
  3. Step 3: Cross multiply
    135,492x = 296,816 × 296,816
  4. Step 4: Simplify right side
    135,492x = 88,099,737,856
  5. Step 5: Solve for x
    x = 88,099,737,856/135,492
  6. Step 6: Final answer
    x = 650,220.96

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.