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Finding the Third Proportional to 549.75 and 846.19

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Solution

The third proportional to 549.75 and 846.19 is: 1,302.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    549.75 : 846.19 = 846.19 : x
  2. Step 2: Convert to fraction form
    549.75/846.19 = 846.19/x
  3. Step 3: Cross multiply
    549.75x = 846.19 × 846.19
  4. Step 4: Simplify right side
    549.75x = 716,033.29
  5. Step 5: Solve for x
    x = 716,033.29/549.75
  6. Step 6: Final answer
    x = 1,302.47

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.