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Finding the Third Proportional to 28,906 and 62,455

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Solution

The third proportional to 28,906 and 62,455 is: 134,941.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,906 : 62,455 = 62,455 : x
  2. Step 2: Convert to fraction form
    28,906/62,455 = 62,455/x
  3. Step 3: Cross multiply
    28,906x = 62,455 × 62,455
  4. Step 4: Simplify right side
    28,906x = 3,900,627,025
  5. Step 5: Solve for x
    x = 3,900,627,025/28,906
  6. Step 6: Final answer
    x = 134,941.78

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.