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Finding the Third Proportional to 4,987 and 7,263

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Solution

The third proportional to 4,987 and 7,263 is: 10,577.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987 : 7,263 = 7,263 : x
  2. Step 2: Convert to fraction form
    4,987/7,263 = 7,263/x
  3. Step 3: Cross multiply
    4,987x = 7,263 × 7,263
  4. Step 4: Simplify right side
    4,987x = 52,751,169
  5. Step 5: Solve for x
    x = 52,751,169/4,987
  6. Step 6: Final answer
    x = 10,577.74

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.