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Finding the Third Proportional to 124,659.75 and 256,670.25

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Solution

The third proportional to 124,659.75 and 256,670.25 is: 528,475.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,659.75 : 256,670.25 = 256,670.25 : x
  2. Step 2: Convert to fraction form
    124,659.75/256,670.25 = 256,670.25/x
  3. Step 3: Cross multiply
    124,659.75x = 256,670.25 × 256,670.25
  4. Step 4: Simplify right side
    124,659.75x = 65,879,617,235.06
  5. Step 5: Solve for x
    x = 65,879,617,235.06/124,659.75
  6. Step 6: Final answer
    x = 528,475.45

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.