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Finding the Third Proportional to 434.25 and 934.25

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Solution

The third proportional to 434.25 and 934.25 is: 2,009.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    434.25 : 934.25 = 934.25 : x
  2. Step 2: Convert to fraction form
    434.25/934.25 = 934.25/x
  3. Step 3: Cross multiply
    434.25x = 934.25 × 934.25
  4. Step 4: Simplify right side
    434.25x = 872,823.06
  5. Step 5: Solve for x
    x = 872,823.06/434.25
  6. Step 6: Final answer
    x = 2,009.96

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.