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Finding the Third Proportional to 116,402.75 and 255,667

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Solution

The third proportional to 116,402.75 and 255,667 is: 561,547.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,402.75 : 255,667 = 255,667 : x
  2. Step 2: Convert to fraction form
    116,402.75/255,667 = 255,667/x
  3. Step 3: Cross multiply
    116,402.75x = 255,667 × 255,667
  4. Step 4: Simplify right side
    116,402.75x = 65,365,614,889
  5. Step 5: Solve for x
    x = 65,365,614,889/116,402.75
  6. Step 6: Final answer
    x = 561,547.00

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.