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Finding the Third Proportional to 3,187.13 and 4,906.69

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Solution

The third proportional to 3,187.13 and 4,906.69 is: 7,554.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187.13 : 4,906.69 = 4,906.69 : x
  2. Step 2: Convert to fraction form
    3,187.13/4,906.69 = 4,906.69/x
  3. Step 3: Cross multiply
    3,187.13x = 4,906.69 × 4,906.69
  4. Step 4: Simplify right side
    3,187.13x = 24,075,582.22
  5. Step 5: Solve for x
    x = 24,075,582.22/3,187.13
  6. Step 6: Final answer
    x = 7,554.01

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.