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Finding the Third Proportional to 25,572 and 55,581

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Solution

The third proportional to 25,572 and 55,581 is: 120,805.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,572 : 55,581 = 55,581 : x
  2. Step 2: Convert to fraction form
    25,572/55,581 = 55,581/x
  3. Step 3: Cross multiply
    25,572x = 55,581 × 55,581
  4. Step 4: Simplify right side
    25,572x = 3,089,247,561
  5. Step 5: Solve for x
    x = 3,089,247,561/25,572
  6. Step 6: Final answer
    x = 120,805.86

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.