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Finding the Third Proportional to 156,377 and 242,216

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Solution

The third proportional to 156,377 and 242,216 is: 375,174.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,377 : 242,216 = 242,216 : x
  2. Step 2: Convert to fraction form
    156,377/242,216 = 242,216/x
  3. Step 3: Cross multiply
    156,377x = 242,216 × 242,216
  4. Step 4: Simplify right side
    156,377x = 58,668,590,656
  5. Step 5: Solve for x
    x = 58,668,590,656/156,377
  6. Step 6: Final answer
    x = 375,174.04

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.