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Finding the Third Proportional to 175,688 and 342,544

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Solution

The third proportional to 175,688 and 342,544 is: 667,867.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,688 : 342,544 = 342,544 : x
  2. Step 2: Convert to fraction form
    175,688/342,544 = 342,544/x
  3. Step 3: Cross multiply
    175,688x = 342,544 × 342,544
  4. Step 4: Simplify right side
    175,688x = 117,336,391,936
  5. Step 5: Solve for x
    x = 117,336,391,936/175,688
  6. Step 6: Final answer
    x = 667,867.99

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.