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Finding the Third Proportional to 279,440 and 607,502

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Solution

The third proportional to 279,440 and 607,502 is: 1,320,708.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,440 : 607,502 = 607,502 : x
  2. Step 2: Convert to fraction form
    279,440/607,502 = 607,502/x
  3. Step 3: Cross multiply
    279,440x = 607,502 × 607,502
  4. Step 4: Simplify right side
    279,440x = 369,058,680,004
  5. Step 5: Solve for x
    x = 369,058,680,004/279,440
  6. Step 6: Final answer
    x = 1,320,708.13

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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.