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Finding the Third Proportional to 7,702.25 and 11,006.50

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Solution

The third proportional to 7,702.25 and 11,006.50 is: 15,728.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,702.25 : 11,006.50 = 11,006.50 : x
  2. Step 2: Convert to fraction form
    7,702.25/11,006.50 = 11,006.50/x
  3. Step 3: Cross multiply
    7,702.25x = 11,006.50 × 11,006.50
  4. Step 4: Simplify right side
    7,702.25x = 121,143,042.25
  5. Step 5: Solve for x
    x = 121,143,042.25/7,702.25
  6. Step 6: Final answer
    x = 15,728.27

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.