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Finding the Third Proportional to 684 and 950.25

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Solution

The third proportional to 684 and 950.25 is: 1,320.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    684 : 950.25 = 950.25 : x
  2. Step 2: Convert to fraction form
    684/950.25 = 950.25/x
  3. Step 3: Cross multiply
    684x = 950.25 × 950.25
  4. Step 4: Simplify right side
    684x = 902,975.06
  5. Step 5: Solve for x
    x = 902,975.06/684
  6. Step 6: Final answer
    x = 1,320.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.