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Finding the Third Proportional to 116,644 and 255,887

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Solution

The third proportional to 116,644 and 255,887 is: 561,350.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,644 : 255,887 = 255,887 : x
  2. Step 2: Convert to fraction form
    116,644/255,887 = 255,887/x
  3. Step 3: Cross multiply
    116,644x = 255,887 × 255,887
  4. Step 4: Simplify right side
    116,644x = 65,478,156,769
  5. Step 5: Solve for x
    x = 65,478,156,769/116,644
  6. Step 6: Final answer
    x = 561,350.41

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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.