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Finding the Third Proportional to 22,590 and 48,420

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Solution

The third proportional to 22,590 and 48,420 is: 103,784.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,590 : 48,420 = 48,420 : x
  2. Step 2: Convert to fraction form
    22,590/48,420 = 48,420/x
  3. Step 3: Cross multiply
    22,590x = 48,420 × 48,420
  4. Step 4: Simplify right side
    22,590x = 2,344,496,400
  5. Step 5: Solve for x
    x = 2,344,496,400/22,590
  6. Step 6: Final answer
    x = 103,784.70

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.