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Finding the Third Proportional to 123,953 and 254,437

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Solution

The third proportional to 123,953 and 254,437 is: 522,280.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,953 : 254,437 = 254,437 : x
  2. Step 2: Convert to fraction form
    123,953/254,437 = 254,437/x
  3. Step 3: Cross multiply
    123,953x = 254,437 × 254,437
  4. Step 4: Simplify right side
    123,953x = 64,738,186,969
  5. Step 5: Solve for x
    x = 64,738,186,969/123,953
  6. Step 6: Final answer
    x = 522,280.11

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.