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Finding the Third Proportional to 7,030 and 9,945

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Solution

The third proportional to 7,030 and 9,945 is: 14,068.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,030 : 9,945 = 9,945 : x
  2. Step 2: Convert to fraction form
    7,030/9,945 = 9,945/x
  3. Step 3: Cross multiply
    7,030x = 9,945 × 9,945
  4. Step 4: Simplify right side
    7,030x = 98,903,025
  5. Step 5: Solve for x
    x = 98,903,025/7,030
  6. Step 6: Final answer
    x = 14,068.71

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.