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Finding the Third Proportional to 5,964 and 9,890

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Solution

The third proportional to 5,964 and 9,890 is: 16,400.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,964 : 9,890 = 9,890 : x
  2. Step 2: Convert to fraction form
    5,964/9,890 = 9,890/x
  3. Step 3: Cross multiply
    5,964x = 9,890 × 9,890
  4. Step 4: Simplify right side
    5,964x = 97,812,100
  5. Step 5: Solve for x
    x = 97,812,100/5,964
  6. Step 6: Final answer
    x = 16,400.42

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Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.