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Finding the Third Proportional to 255,305 and 357,764

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Solution

The third proportional to 255,305 and 357,764 is: 501,341.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,305 : 357,764 = 357,764 : x
  2. Step 2: Convert to fraction form
    255,305/357,764 = 357,764/x
  3. Step 3: Cross multiply
    255,305x = 357,764 × 357,764
  4. Step 4: Simplify right side
    255,305x = 127,995,079,696
  5. Step 5: Solve for x
    x = 127,995,079,696/255,305
  6. Step 6: Final answer
    x = 501,341.84

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.