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Finding the Third Proportional to 28,356 and 61,045

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Solution

The third proportional to 28,356 and 61,045 is: 131,418.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,356 : 61,045 = 61,045 : x
  2. Step 2: Convert to fraction form
    28,356/61,045 = 61,045/x
  3. Step 3: Cross multiply
    28,356x = 61,045 × 61,045
  4. Step 4: Simplify right side
    28,356x = 3,726,492,025
  5. Step 5: Solve for x
    x = 3,726,492,025/28,356
  6. Step 6: Final answer
    x = 131,418.11

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.