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Finding the Third Proportional to 25,220 and 35,345

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Solution

The third proportional to 25,220 and 35,345 is: 49,534.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,220 : 35,345 = 35,345 : x
  2. Step 2: Convert to fraction form
    25,220/35,345 = 35,345/x
  3. Step 3: Cross multiply
    25,220x = 35,345 × 35,345
  4. Step 4: Simplify right side
    25,220x = 1,249,269,025
  5. Step 5: Solve for x
    x = 1,249,269,025/25,220
  6. Step 6: Final answer
    x = 49,534.85

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.