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Finding the Third Proportional to 170,344.50 and 358,344

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Solution

The third proportional to 170,344.50 and 358,344 is: 753,827.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,344.50 : 358,344 = 358,344 : x
  2. Step 2: Convert to fraction form
    170,344.50/358,344 = 358,344/x
  3. Step 3: Cross multiply
    170,344.50x = 358,344 × 358,344
  4. Step 4: Simplify right side
    170,344.50x = 128,410,422,336
  5. Step 5: Solve for x
    x = 128,410,422,336/170,344.50
  6. Step 6: Final answer
    x = 753,827.82

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.