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Finding the Third Proportional to 248,914 and 377,987

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Solution

The third proportional to 248,914 and 377,987 is: 573,990.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,914 : 377,987 = 377,987 : x
  2. Step 2: Convert to fraction form
    248,914/377,987 = 377,987/x
  3. Step 3: Cross multiply
    248,914x = 377,987 × 377,987
  4. Step 4: Simplify right side
    248,914x = 142,874,172,169
  5. Step 5: Solve for x
    x = 142,874,172,169/248,914
  6. Step 6: Final answer
    x = 573,990.10

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.