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Finding the Third Proportional to 428,152 and 922,544

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Solution

The third proportional to 428,152 and 922,544 is: 1,987,816.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,152 : 922,544 = 922,544 : x
  2. Step 2: Convert to fraction form
    428,152/922,544 = 922,544/x
  3. Step 3: Cross multiply
    428,152x = 922,544 × 922,544
  4. Step 4: Simplify right side
    428,152x = 851,087,431,936
  5. Step 5: Solve for x
    x = 851,087,431,936/428,152
  6. Step 6: Final answer
    x = 1,987,816.08

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.