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Finding the Third Proportional to 7,953.75 and 10,920.38

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Solution

The third proportional to 7,953.75 and 10,920.38 is: 14,993.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,953.75 : 10,920.38 = 10,920.38 : x
  2. Step 2: Convert to fraction form
    7,953.75/10,920.38 = 10,920.38/x
  3. Step 3: Cross multiply
    7,953.75x = 10,920.38 × 10,920.38
  4. Step 4: Simplify right side
    7,953.75x = 119,254,590.14
  5. Step 5: Solve for x
    x = 119,254,590.14/7,953.75
  6. Step 6: Final answer
    x = 14,993.50

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.