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Finding the Third Proportional to 4,807.69 and 11,085.19

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Solution

The third proportional to 4,807.69 and 11,085.19 is: 25,559.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,807.69 : 11,085.19 = 11,085.19 : x
  2. Step 2: Convert to fraction form
    4,807.69/11,085.19 = 11,085.19/x
  3. Step 3: Cross multiply
    4,807.69x = 11,085.19 × 11,085.19
  4. Step 4: Simplify right side
    4,807.69x = 122,881,381.91
  5. Step 5: Solve for x
    x = 122,881,381.91/4,807.69
  6. Step 6: Final answer
    x = 25,559.35

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.