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Finding the Third Proportional to 26,290.50 and 56,955

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Solution

The third proportional to 26,290.50 and 56,955 is: 123,385.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,290.50 : 56,955 = 56,955 : x
  2. Step 2: Convert to fraction form
    26,290.50/56,955 = 56,955/x
  3. Step 3: Cross multiply
    26,290.50x = 56,955 × 56,955
  4. Step 4: Simplify right side
    26,290.50x = 3,243,872,025
  5. Step 5: Solve for x
    x = 3,243,872,025/26,290.50
  6. Step 6: Final answer
    x = 123,385.71

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.