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Finding the Third Proportional to 127,590 and 277,347

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Solution

The third proportional to 127,590 and 277,347 is: 602,879.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,590 : 277,347 = 277,347 : x
  2. Step 2: Convert to fraction form
    127,590/277,347 = 277,347/x
  3. Step 3: Cross multiply
    127,590x = 277,347 × 277,347
  4. Step 4: Simplify right side
    127,590x = 76,921,358,409
  5. Step 5: Solve for x
    x = 76,921,358,409/127,590
  6. Step 6: Final answer
    x = 602,879.21

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.