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Finding the Third Proportional to 2,107 and 3,798.50

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Solution

The third proportional to 2,107 and 3,798.50 is: 6,847.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107 : 3,798.50 = 3,798.50 : x
  2. Step 2: Convert to fraction form
    2,107/3,798.50 = 3,798.50/x
  3. Step 3: Cross multiply
    2,107x = 3,798.50 × 3,798.50
  4. Step 4: Simplify right side
    2,107x = 14,428,602.25
  5. Step 5: Solve for x
    x = 14,428,602.25/2,107
  6. Step 6: Final answer
    x = 6,847.94

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Why These Related Problems?

These problems maintain the same ratio (1.80) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.