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Finding the Third Proportional to 4,421 and 5,810

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Solution

The third proportional to 4,421 and 5,810 is: 7,635.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,421 : 5,810 = 5,810 : x
  2. Step 2: Convert to fraction form
    4,421/5,810 = 5,810/x
  3. Step 3: Cross multiply
    4,421x = 5,810 × 5,810
  4. Step 4: Simplify right side
    4,421x = 33,756,100
  5. Step 5: Solve for x
    x = 33,756,100/4,421
  6. Step 6: Final answer
    x = 7,635.40

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.