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Finding the Third Proportional to 3,556 and 6,090

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Solution

The third proportional to 3,556 and 6,090 is: 10,429.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556 : 6,090 = 6,090 : x
  2. Step 2: Convert to fraction form
    3,556/6,090 = 6,090/x
  3. Step 3: Cross multiply
    3,556x = 6,090 × 6,090
  4. Step 4: Simplify right side
    3,556x = 37,088,100
  5. Step 5: Solve for x
    x = 37,088,100/3,556
  6. Step 6: Final answer
    x = 10,429.72

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Why These Related Problems?

These problems maintain the same ratio (1.71) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.