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Finding the Third Proportional to 25,659 and 56,358

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Solution

The third proportional to 25,659 and 56,358 is: 123,785.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,659 : 56,358 = 56,358 : x
  2. Step 2: Convert to fraction form
    25,659/56,358 = 56,358/x
  3. Step 3: Cross multiply
    25,659x = 56,358 × 56,358
  4. Step 4: Simplify right side
    25,659x = 3,176,224,164
  5. Step 5: Solve for x
    x = 3,176,224,164/25,659
  6. Step 6: Final answer
    x = 123,785.97

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.