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Finding the Third Proportional to 77,767.50 and 115,010.25

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Solution

The third proportional to 77,767.50 and 115,010.25 is: 170,088.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,767.50 : 115,010.25 = 115,010.25 : x
  2. Step 2: Convert to fraction form
    77,767.50/115,010.25 = 115,010.25/x
  3. Step 3: Cross multiply
    77,767.50x = 115,010.25 × 115,010.25
  4. Step 4: Simplify right side
    77,767.50x = 13,227,357,605.06
  5. Step 5: Solve for x
    x = 13,227,357,605.06/77,767.50
  6. Step 6: Final answer
    x = 170,088.50

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.