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Finding the Third Proportional to 77,232 and 169,240

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Solution

The third proportional to 77,232 and 169,240 is: 370,858.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,232 : 169,240 = 169,240 : x
  2. Step 2: Convert to fraction form
    77,232/169,240 = 169,240/x
  3. Step 3: Cross multiply
    77,232x = 169,240 × 169,240
  4. Step 4: Simplify right side
    77,232x = 28,642,177,600
  5. Step 5: Solve for x
    x = 28,642,177,600/77,232
  6. Step 6: Final answer
    x = 370,858.94

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.