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Finding the Third Proportional to 1,458.50 and 3,160

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Solution

The third proportional to 1,458.50 and 3,160 is: 6,846.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458.50 : 3,160 = 3,160 : x
  2. Step 2: Convert to fraction form
    1,458.50/3,160 = 3,160/x
  3. Step 3: Cross multiply
    1,458.50x = 3,160 × 3,160
  4. Step 4: Simplify right side
    1,458.50x = 9,985,600
  5. Step 5: Solve for x
    x = 9,985,600/1,458.50
  6. Step 6: Final answer
    x = 6,846.49

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.