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Finding the Third Proportional to 253,263 and 401,035.50

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Solution

The third proportional to 253,263 and 401,035.50 is: 635,029.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,263 : 401,035.50 = 401,035.50 : x
  2. Step 2: Convert to fraction form
    253,263/401,035.50 = 401,035.50/x
  3. Step 3: Cross multiply
    253,263x = 401,035.50 × 401,035.50
  4. Step 4: Simplify right side
    253,263x = 160,829,472,260.25
  5. Step 5: Solve for x
    x = 160,829,472,260.25/253,263
  6. Step 6: Final answer
    x = 635,029.48

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.