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Finding the Third Proportional to 276,640 and 606,852

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Solution

The third proportional to 276,640 and 606,852 is: 1,331,222.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,640 : 606,852 = 606,852 : x
  2. Step 2: Convert to fraction form
    276,640/606,852 = 606,852/x
  3. Step 3: Cross multiply
    276,640x = 606,852 × 606,852
  4. Step 4: Simplify right side
    276,640x = 368,269,349,904
  5. Step 5: Solve for x
    x = 368,269,349,904/276,640
  6. Step 6: Final answer
    x = 1,331,222.35

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.