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Finding the Third Proportional to 156,687 and 228,468

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Solution

The third proportional to 156,687 and 228,468 is: 333,133.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,687 : 228,468 = 228,468 : x
  2. Step 2: Convert to fraction form
    156,687/228,468 = 228,468/x
  3. Step 3: Cross multiply
    156,687x = 228,468 × 228,468
  4. Step 4: Simplify right side
    156,687x = 52,197,627,024
  5. Step 5: Solve for x
    x = 52,197,627,024/156,687
  6. Step 6: Final answer
    x = 333,133.11

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.