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Finding the Third Proportional to 502,601.25 and 777,231

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Solution

The third proportional to 502,601.25 and 777,231 is: 1,201,923.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,601.25 : 777,231 = 777,231 : x
  2. Step 2: Convert to fraction form
    502,601.25/777,231 = 777,231/x
  3. Step 3: Cross multiply
    502,601.25x = 777,231 × 777,231
  4. Step 4: Simplify right side
    502,601.25x = 604,088,027,361
  5. Step 5: Solve for x
    x = 604,088,027,361/502,601.25
  6. Step 6: Final answer
    x = 1,201,923.05

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.