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Finding the Third Proportional to 10,647 and 13,036.50

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Solution

The third proportional to 10,647 and 13,036.50 is: 15,962.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647 : 13,036.50 = 13,036.50 : x
  2. Step 2: Convert to fraction form
    10,647/13,036.50 = 13,036.50/x
  3. Step 3: Cross multiply
    10,647x = 13,036.50 × 13,036.50
  4. Step 4: Simplify right side
    10,647x = 169,950,332.25
  5. Step 5: Solve for x
    x = 169,950,332.25/10,647
  6. Step 6: Final answer
    x = 15,962.27

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Why These Related Problems?

These problems maintain the same ratio (1.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.