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Finding the Third Proportional to 5,916.50 and 9,861

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Solution

The third proportional to 5,916.50 and 9,861 is: 16,435.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,916.50 : 9,861 = 9,861 : x
  2. Step 2: Convert to fraction form
    5,916.50/9,861 = 9,861/x
  3. Step 3: Cross multiply
    5,916.50x = 9,861 × 9,861
  4. Step 4: Simplify right side
    5,916.50x = 97,239,321
  5. Step 5: Solve for x
    x = 97,239,321/5,916.50
  6. Step 6: Final answer
    x = 16,435.28

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.