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Finding the Third Proportional to 1,575 and 3,394.69

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Solution

The third proportional to 1,575 and 3,394.69 is: 7,316.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575 : 3,394.69 = 3,394.69 : x
  2. Step 2: Convert to fraction form
    1,575/3,394.69 = 3,394.69/x
  3. Step 3: Cross multiply
    1,575x = 3,394.69 × 3,394.69
  4. Step 4: Simplify right side
    1,575x = 11,523,903.22
  5. Step 5: Solve for x
    x = 11,523,903.22/1,575
  6. Step 6: Final answer
    x = 7,316.76

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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.