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Finding the Third Proportional to 2,110.50 and 3,015

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Solution

The third proportional to 2,110.50 and 3,015 is: 4,307.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.50 : 3,015 = 3,015 : x
  2. Step 2: Convert to fraction form
    2,110.50/3,015 = 3,015/x
  3. Step 3: Cross multiply
    2,110.50x = 3,015 × 3,015
  4. Step 4: Simplify right side
    2,110.50x = 9,090,225
  5. Step 5: Solve for x
    x = 9,090,225/2,110.50
  6. Step 6: Final answer
    x = 4,307.14

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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.