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Finding the Third Proportional to 7,054 and 9,871

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Solution

The third proportional to 7,054 and 9,871 is: 13,812.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,054 : 9,871 = 9,871 : x
  2. Step 2: Convert to fraction form
    7,054/9,871 = 9,871/x
  3. Step 3: Cross multiply
    7,054x = 9,871 × 9,871
  4. Step 4: Simplify right side
    7,054x = 97,436,641
  5. Step 5: Solve for x
    x = 97,436,641/7,054
  6. Step 6: Final answer
    x = 13,812.96

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.