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Finding the Third Proportional to 5,252.63 and 7,130.81

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Solution

The third proportional to 5,252.63 and 7,130.81 is: 9,680.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.63 : 7,130.81 = 7,130.81 : x
  2. Step 2: Convert to fraction form
    5,252.63/7,130.81 = 7,130.81/x
  3. Step 3: Cross multiply
    5,252.63x = 7,130.81 × 7,130.81
  4. Step 4: Simplify right side
    5,252.63x = 50,848,486.91
  5. Step 5: Solve for x
    x = 50,848,486.91/5,252.63
  6. Step 6: Final answer
    x = 9,680.59

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.