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Finding the Third Proportional to 116,489 and 254,787

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Solution

The third proportional to 116,489 and 254,787 is: 557,275.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,489 : 254,787 = 254,787 : x
  2. Step 2: Convert to fraction form
    116,489/254,787 = 254,787/x
  3. Step 3: Cross multiply
    116,489x = 254,787 × 254,787
  4. Step 4: Simplify right side
    116,489x = 64,916,415,369
  5. Step 5: Solve for x
    x = 64,916,415,369/116,489
  6. Step 6: Final answer
    x = 557,275.07

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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.