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Finding the Third Proportional to 7,291.90 and 11,004.61

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Solution

The third proportional to 7,291.90 and 11,004.61 is: 16,607.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,291.90 : 11,004.61 = 11,004.61 : x
  2. Step 2: Convert to fraction form
    7,291.90/11,004.61 = 11,004.61/x
  3. Step 3: Cross multiply
    7,291.90x = 11,004.61 × 11,004.61
  4. Step 4: Simplify right side
    7,291.90x = 121,101,427.50
  5. Step 5: Solve for x
    x = 121,101,427.50/7,291.90
  6. Step 6: Final answer
    x = 16,607.67

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.