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Finding the Third Proportional to 85,276.75 and 130,513.75

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Solution

The third proportional to 85,276.75 and 130,513.75 is: 199,747.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,276.75 : 130,513.75 = 130,513.75 : x
  2. Step 2: Convert to fraction form
    85,276.75/130,513.75 = 130,513.75/x
  3. Step 3: Cross multiply
    85,276.75x = 130,513.75 × 130,513.75
  4. Step 4: Simplify right side
    85,276.75x = 17,033,838,939.06
  5. Step 5: Solve for x
    x = 17,033,838,939.06/85,276.75
  6. Step 6: Final answer
    x = 199,747.75

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These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.