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Finding the Third Proportional to 164,332 and 336,448

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Solution

The third proportional to 164,332 and 336,448 is: 688,832.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,332 : 336,448 = 336,448 : x
  2. Step 2: Convert to fraction form
    164,332/336,448 = 336,448/x
  3. Step 3: Cross multiply
    164,332x = 336,448 × 336,448
  4. Step 4: Simplify right side
    164,332x = 113,197,256,704
  5. Step 5: Solve for x
    x = 113,197,256,704/164,332
  6. Step 6: Final answer
    x = 688,832.71

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.