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Finding the Third Proportional to 1,713.94 and 3,699.56

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Solution

The third proportional to 1,713.94 and 3,699.56 is: 7,985.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,713.94 : 3,699.56 = 3,699.56 : x
  2. Step 2: Convert to fraction form
    1,713.94/3,699.56 = 3,699.56/x
  3. Step 3: Cross multiply
    1,713.94x = 3,699.56 × 3,699.56
  4. Step 4: Simplify right side
    1,713.94x = 13,686,762.69
  5. Step 5: Solve for x
    x = 13,686,762.69/1,713.94
  6. Step 6: Final answer
    x = 7,985.57

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.