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Finding the Third Proportional to 4,810.31 and 7,388.91

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Solution

The third proportional to 4,810.31 and 7,388.91 is: 11,349.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,810.31 : 7,388.91 = 7,388.91 : x
  2. Step 2: Convert to fraction form
    4,810.31/7,388.91 = 7,388.91/x
  3. Step 3: Cross multiply
    4,810.31x = 7,388.91 × 7,388.91
  4. Step 4: Simplify right side
    4,810.31x = 54,595,935.57
  5. Step 5: Solve for x
    x = 54,595,935.57/4,810.31
  6. Step 6: Final answer
    x = 11,349.77

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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.