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Finding the Third Proportional to 7,572 and 18,306

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Solution

The third proportional to 7,572 and 18,306 is: 44,256.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,572 : 18,306 = 18,306 : x
  2. Step 2: Convert to fraction form
    7,572/18,306 = 18,306/x
  3. Step 3: Cross multiply
    7,572x = 18,306 × 18,306
  4. Step 4: Simplify right side
    7,572x = 335,109,636
  5. Step 5: Solve for x
    x = 335,109,636/7,572
  6. Step 6: Final answer
    x = 44,256.42

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Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.