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Finding the Third Proportional to 256,608 and 562,788

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Solution

The third proportional to 256,608 and 562,788 is: 1,234,296.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,608 : 562,788 = 562,788 : x
  2. Step 2: Convert to fraction form
    256,608/562,788 = 562,788/x
  3. Step 3: Cross multiply
    256,608x = 562,788 × 562,788
  4. Step 4: Simplify right side
    256,608x = 316,730,332,944
  5. Step 5: Solve for x
    x = 316,730,332,944/256,608
  6. Step 6: Final answer
    x = 1,234,296.41

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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.