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Finding the Third Proportional to 290,703 and 625,926

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Solution

The third proportional to 290,703 and 625,926 is: 1,347,710.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,703 : 625,926 = 625,926 : x
  2. Step 2: Convert to fraction form
    290,703/625,926 = 625,926/x
  3. Step 3: Cross multiply
    290,703x = 625,926 × 625,926
  4. Step 4: Simplify right side
    290,703x = 391,783,357,476
  5. Step 5: Solve for x
    x = 391,783,357,476/290,703
  6. Step 6: Final answer
    x = 1,347,710.06

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.