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Finding the Third Proportional to 277,554 and 654,987

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Solution

The third proportional to 277,554 and 654,987 is: 1,545,673.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,554 : 654,987 = 654,987 : x
  2. Step 2: Convert to fraction form
    277,554/654,987 = 654,987/x
  3. Step 3: Cross multiply
    277,554x = 654,987 × 654,987
  4. Step 4: Simplify right side
    277,554x = 429,007,970,169
  5. Step 5: Solve for x
    x = 429,007,970,169/277,554
  6. Step 6: Final answer
    x = 1,545,673.89

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.