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Finding the Third Proportional to 8,762 and 19,223

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Solution

The third proportional to 8,762 and 19,223 is: 42,173.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,762 : 19,223 = 19,223 : x
  2. Step 2: Convert to fraction form
    8,762/19,223 = 19,223/x
  3. Step 3: Cross multiply
    8,762x = 19,223 × 19,223
  4. Step 4: Simplify right side
    8,762x = 369,523,729
  5. Step 5: Solve for x
    x = 369,523,729/8,762
  6. Step 6: Final answer
    x = 42,173.45

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.