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Finding the Third Proportional to 426,552.75 and 987,487.88

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Solution

The third proportional to 426,552.75 and 987,487.88 is: 2,286,076.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,552.75 : 987,487.88 = 987,487.88 : x
  2. Step 2: Convert to fraction form
    426,552.75/987,487.88 = 987,487.88/x
  3. Step 3: Cross multiply
    426,552.75x = 987,487.88 × 987,487.88
  4. Step 4: Simplify right side
    426,552.75x = 975,132,303,272.02
  5. Step 5: Solve for x
    x = 975,132,303,272.02/426,552.75
  6. Step 6: Final answer
    x = 2,286,076.70

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.