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Finding the Third Proportional to 3,173 and 5,572

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Solution

The third proportional to 3,173 and 5,572 is: 9,784.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173 : 5,572 = 5,572 : x
  2. Step 2: Convert to fraction form
    3,173/5,572 = 5,572/x
  3. Step 3: Cross multiply
    3,173x = 5,572 × 5,572
  4. Step 4: Simplify right side
    3,173x = 31,047,184
  5. Step 5: Solve for x
    x = 31,047,184/3,173
  6. Step 6: Final answer
    x = 9,784.80

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Why These Related Problems?

These problems maintain the same ratio (1.76) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.