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Finding the Third Proportional to 181,831.50 and 388,935

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Solution

The third proportional to 181,831.50 and 388,935 is: 831,926.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,831.50 : 388,935 = 388,935 : x
  2. Step 2: Convert to fraction form
    181,831.50/388,935 = 388,935/x
  3. Step 3: Cross multiply
    181,831.50x = 388,935 × 388,935
  4. Step 4: Simplify right side
    181,831.50x = 151,270,434,225
  5. Step 5: Solve for x
    x = 151,270,434,225/181,831.50
  6. Step 6: Final answer
    x = 831,926.45

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.