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Finding the Third Proportional to 127,765 and 277,902

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Solution

The third proportional to 127,765 and 277,902 is: 604,465.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,765 : 277,902 = 277,902 : x
  2. Step 2: Convert to fraction form
    127,765/277,902 = 277,902/x
  3. Step 3: Cross multiply
    127,765x = 277,902 × 277,902
  4. Step 4: Simplify right side
    127,765x = 77,229,521,604
  5. Step 5: Solve for x
    x = 77,229,521,604/127,765
  6. Step 6: Final answer
    x = 604,465.40

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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.