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Finding the Third Proportional to 3,159.75 and 4,783.13

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Solution

The third proportional to 3,159.75 and 4,783.13 is: 7,240.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.75 : 4,783.13 = 4,783.13 : x
  2. Step 2: Convert to fraction form
    3,159.75/4,783.13 = 4,783.13/x
  3. Step 3: Cross multiply
    3,159.75x = 4,783.13 × 4,783.13
  4. Step 4: Simplify right side
    3,159.75x = 22,878,284.77
  5. Step 5: Solve for x
    x = 22,878,284.77/3,159.75
  6. Step 6: Final answer
    x = 7,240.54

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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.