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Finding the Third Proportional to 174,867 and 256,561.50

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Solution

The third proportional to 174,867 and 256,561.50 is: 376,422.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,867 : 256,561.50 = 256,561.50 : x
  2. Step 2: Convert to fraction form
    174,867/256,561.50 = 256,561.50/x
  3. Step 3: Cross multiply
    174,867x = 256,561.50 × 256,561.50
  4. Step 4: Simplify right side
    174,867x = 65,823,803,282.25
  5. Step 5: Solve for x
    x = 65,823,803,282.25/174,867
  6. Step 6: Final answer
    x = 376,422.10

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.