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Finding the Third Proportional to 177,902.75 and 388,637.50

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Solution

The third proportional to 177,902.75 and 388,637.50 is: 848,998.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,902.75 : 388,637.50 = 388,637.50 : x
  2. Step 2: Convert to fraction form
    177,902.75/388,637.50 = 388,637.50/x
  3. Step 3: Cross multiply
    177,902.75x = 388,637.50 × 388,637.50
  4. Step 4: Simplify right side
    177,902.75x = 151,039,106,406.25
  5. Step 5: Solve for x
    x = 151,039,106,406.25/177,902.75
  6. Step 6: Final answer
    x = 848,998.15

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.