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Finding the Third Proportional to 77,988 and 125,595

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Solution

The third proportional to 77,988 and 125,595 is: 202,263.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,988 : 125,595 = 125,595 : x
  2. Step 2: Convert to fraction form
    77,988/125,595 = 125,595/x
  3. Step 3: Cross multiply
    77,988x = 125,595 × 125,595
  4. Step 4: Simplify right side
    77,988x = 15,774,104,025
  5. Step 5: Solve for x
    x = 15,774,104,025/77,988
  6. Step 6: Final answer
    x = 202,263.22

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.