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Finding the Third Proportional to 118,462 and 169,402

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Solution

The third proportional to 118,462 and 169,402 is: 242,246.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,462 : 169,402 = 169,402 : x
  2. Step 2: Convert to fraction form
    118,462/169,402 = 169,402/x
  3. Step 3: Cross multiply
    118,462x = 169,402 × 169,402
  4. Step 4: Simplify right side
    118,462x = 28,697,037,604
  5. Step 5: Solve for x
    x = 28,697,037,604/118,462
  6. Step 6: Final answer
    x = 242,246.78

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.