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Finding the Third Proportional to 86,379.56 and 130,777.50

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Solution

The third proportional to 86,379.56 and 130,777.50 is: 197,995.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,379.56 : 130,777.50 = 130,777.50 : x
  2. Step 2: Convert to fraction form
    86,379.56/130,777.50 = 130,777.50/x
  3. Step 3: Cross multiply
    86,379.56x = 130,777.50 × 130,777.50
  4. Step 4: Simplify right side
    86,379.56x = 17,102,754,506.25
  5. Step 5: Solve for x
    x = 17,102,754,506.25/86,379.56
  6. Step 6: Final answer
    x = 197,995.38

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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.