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Finding the Third Proportional to 4,697.16 and 7,314.47

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Solution

The third proportional to 4,697.16 and 7,314.47 is: 11,390.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,697.16 : 7,314.47 = 7,314.47 : x
  2. Step 2: Convert to fraction form
    4,697.16/7,314.47 = 7,314.47/x
  3. Step 3: Cross multiply
    4,697.16x = 7,314.47 × 7,314.47
  4. Step 4: Simplify right side
    4,697.16x = 53,501,453.09
  5. Step 5: Solve for x
    x = 53,501,453.09/4,697.16
  6. Step 6: Final answer
    x = 11,390.18

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.