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Finding the Third Proportional to 9,907.50 and 11,041.50

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Solution

The third proportional to 9,907.50 and 11,041.50 is: 12,305.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,907.50 : 11,041.50 = 11,041.50 : x
  2. Step 2: Convert to fraction form
    9,907.50/11,041.50 = 11,041.50/x
  3. Step 3: Cross multiply
    9,907.50x = 11,041.50 × 11,041.50
  4. Step 4: Simplify right side
    9,907.50x = 121,914,722.25
  5. Step 5: Solve for x
    x = 121,914,722.25/9,907.50
  6. Step 6: Final answer
    x = 12,305.30

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.