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Finding the Third Proportional to 313,637 and 471,165

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Solution

The third proportional to 313,637 and 471,165 is: 707,813.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,637 : 471,165 = 471,165 : x
  2. Step 2: Convert to fraction form
    313,637/471,165 = 471,165/x
  3. Step 3: Cross multiply
    313,637x = 471,165 × 471,165
  4. Step 4: Simplify right side
    313,637x = 221,996,457,225
  5. Step 5: Solve for x
    x = 221,996,457,225/313,637
  6. Step 6: Final answer
    x = 707,813.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.