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Finding the Third Proportional to 3,030 and 4,288

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Solution

The third proportional to 3,030 and 4,288 is: 6,068.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030 : 4,288 = 4,288 : x
  2. Step 2: Convert to fraction form
    3,030/4,288 = 4,288/x
  3. Step 3: Cross multiply
    3,030x = 4,288 × 4,288
  4. Step 4: Simplify right side
    3,030x = 18,386,944
  5. Step 5: Solve for x
    x = 18,386,944/3,030
  6. Step 6: Final answer
    x = 6,068.30

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.