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Finding the Third Proportional to 6,955 and 10,430.50

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Solution

The third proportional to 6,955 and 10,430.50 is: 15,642.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,955 : 10,430.50 = 10,430.50 : x
  2. Step 2: Convert to fraction form
    6,955/10,430.50 = 10,430.50/x
  3. Step 3: Cross multiply
    6,955x = 10,430.50 × 10,430.50
  4. Step 4: Simplify right side
    6,955x = 108,795,330.25
  5. Step 5: Solve for x
    x = 108,795,330.25/6,955
  6. Step 6: Final answer
    x = 15,642.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.