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Finding the Third Proportional to 7,119 and 10,756.50

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Solution

The third proportional to 7,119 and 10,756.50 is: 16,252.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,119 : 10,756.50 = 10,756.50 : x
  2. Step 2: Convert to fraction form
    7,119/10,756.50 = 10,756.50/x
  3. Step 3: Cross multiply
    7,119x = 10,756.50 × 10,756.50
  4. Step 4: Simplify right side
    7,119x = 115,702,292.25
  5. Step 5: Solve for x
    x = 115,702,292.25/7,119
  6. Step 6: Final answer
    x = 16,252.60

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.