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Finding the Third Proportional to 6,705 and 8,749.50

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Solution

The third proportional to 6,705 and 8,749.50 is: 11,417.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,705 : 8,749.50 = 8,749.50 : x
  2. Step 2: Convert to fraction form
    6,705/8,749.50 = 8,749.50/x
  3. Step 3: Cross multiply
    6,705x = 8,749.50 × 8,749.50
  4. Step 4: Simplify right side
    6,705x = 76,553,750.25
  5. Step 5: Solve for x
    x = 76,553,750.25/6,705
  6. Step 6: Final answer
    x = 11,417.41

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.