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Finding the Third Proportional to 265,254.75 and 405,627.75

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Solution

The third proportional to 265,254.75 and 405,627.75 is: 620,286.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,254.75 : 405,627.75 = 405,627.75 : x
  2. Step 2: Convert to fraction form
    265,254.75/405,627.75 = 405,627.75/x
  3. Step 3: Cross multiply
    265,254.75x = 405,627.75 × 405,627.75
  4. Step 4: Simplify right side
    265,254.75x = 164,533,871,570.06
  5. Step 5: Solve for x
    x = 164,533,871,570.06/265,254.75
  6. Step 6: Final answer
    x = 620,286.24

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.