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Finding the Third Proportional to 4,870.13 and 9,542.81

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Solution

The third proportional to 4,870.13 and 9,542.81 is: 18,698.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,870.13 : 9,542.81 = 9,542.81 : x
  2. Step 2: Convert to fraction form
    4,870.13/9,542.81 = 9,542.81/x
  3. Step 3: Cross multiply
    4,870.13x = 9,542.81 × 9,542.81
  4. Step 4: Simplify right side
    4,870.13x = 91,065,270.41
  5. Step 5: Solve for x
    x = 91,065,270.41/4,870.13
  6. Step 6: Final answer
    x = 18,698.75

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Why These Related Problems?

These problems maintain the same ratio (1.96) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.