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Finding the Third Proportional to 10,257.75 and 22,430.25

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Solution

The third proportional to 10,257.75 and 22,430.25 is: 49,047.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257.75 : 22,430.25 = 22,430.25 : x
  2. Step 2: Convert to fraction form
    10,257.75/22,430.25 = 22,430.25/x
  3. Step 3: Cross multiply
    10,257.75x = 22,430.25 × 22,430.25
  4. Step 4: Simplify right side
    10,257.75x = 503,116,115.06
  5. Step 5: Solve for x
    x = 503,116,115.06/10,257.75
  6. Step 6: Final answer
    x = 49,047.41

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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.