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Finding the Third Proportional to 7,153.31 and 7,801.31

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Solution

The third proportional to 7,153.31 and 7,801.31 is: 8,508.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,153.31 : 7,801.31 = 7,801.31 : x
  2. Step 2: Convert to fraction form
    7,153.31/7,801.31 = 7,801.31/x
  3. Step 3: Cross multiply
    7,153.31x = 7,801.31 × 7,801.31
  4. Step 4: Simplify right side
    7,153.31x = 60,860,476.72
  5. Step 5: Solve for x
    x = 60,860,476.72/7,153.31
  6. Step 6: Final answer
    x = 8,508.01

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.