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Finding the Third Proportional to 7,513 and 11,220

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Solution

The third proportional to 7,513 and 11,220 is: 16,756.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,513 : 11,220 = 11,220 : x
  2. Step 2: Convert to fraction form
    7,513/11,220 = 11,220/x
  3. Step 3: Cross multiply
    7,513x = 11,220 × 11,220
  4. Step 4: Simplify right side
    7,513x = 125,888,400
  5. Step 5: Solve for x
    x = 125,888,400/7,513
  6. Step 6: Final answer
    x = 16,756.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.