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Finding the Third Proportional to 22,428 and 47,589.75

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Solution

The third proportional to 22,428 and 47,589.75 is: 100,980.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,428 : 47,589.75 = 47,589.75 : x
  2. Step 2: Convert to fraction form
    22,428/47,589.75 = 47,589.75/x
  3. Step 3: Cross multiply
    22,428x = 47,589.75 × 47,589.75
  4. Step 4: Simplify right side
    22,428x = 2,264,784,305.06
  5. Step 5: Solve for x
    x = 2,264,784,305.06/22,428
  6. Step 6: Final answer
    x = 100,980.22

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.