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Finding the Third Proportional to 11,690.50 and 25,646

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Solution

The third proportional to 11,690.50 and 25,646 is: 56,260.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,690.50 : 25,646 = 25,646 : x
  2. Step 2: Convert to fraction form
    11,690.50/25,646 = 25,646/x
  3. Step 3: Cross multiply
    11,690.50x = 25,646 × 25,646
  4. Step 4: Simplify right side
    11,690.50x = 657,717,316
  5. Step 5: Solve for x
    x = 657,717,316/11,690.50
  6. Step 6: Final answer
    x = 56,260.84

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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.