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Finding the Third Proportional to 255,372.75 and 554,971.50

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Solution

The third proportional to 255,372.75 and 554,971.50 is: 1,206,054.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,372.75 : 554,971.50 = 554,971.50 : x
  2. Step 2: Convert to fraction form
    255,372.75/554,971.50 = 554,971.50/x
  3. Step 3: Cross multiply
    255,372.75x = 554,971.50 × 554,971.50
  4. Step 4: Simplify right side
    255,372.75x = 307,993,365,812.25
  5. Step 5: Solve for x
    x = 307,993,365,812.25/255,372.75
  6. Step 6: Final answer
    x = 1,206,054.15

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.