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Finding the Third Proportional to 4,115 and 5,880.31

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Solution

The third proportional to 4,115 and 5,880.31 is: 8,402.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115 : 5,880.31 = 5,880.31 : x
  2. Step 2: Convert to fraction form
    4,115/5,880.31 = 5,880.31/x
  3. Step 3: Cross multiply
    4,115x = 5,880.31 × 5,880.31
  4. Step 4: Simplify right side
    4,115x = 34,578,075.10
  5. Step 5: Solve for x
    x = 34,578,075.10/4,115
  6. Step 6: Final answer
    x = 8,402.93

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.