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Finding the Third Proportional to 7,710 and 16,650

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Solution

The third proportional to 7,710 and 16,650 is: 35,956.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,710 : 16,650 = 16,650 : x
  2. Step 2: Convert to fraction form
    7,710/16,650 = 16,650/x
  3. Step 3: Cross multiply
    7,710x = 16,650 × 16,650
  4. Step 4: Simplify right side
    7,710x = 277,222,500
  5. Step 5: Solve for x
    x = 277,222,500/7,710
  6. Step 6: Final answer
    x = 35,956.23

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.