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Finding the Third Proportional to 472,856 and 709,756

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Solution

The third proportional to 472,856 and 709,756 is: 1,065,342.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,856 : 709,756 = 709,756 : x
  2. Step 2: Convert to fraction form
    472,856/709,756 = 709,756/x
  3. Step 3: Cross multiply
    472,856x = 709,756 × 709,756
  4. Step 4: Simplify right side
    472,856x = 503,753,579,536
  5. Step 5: Solve for x
    x = 503,753,579,536/472,856
  6. Step 6: Final answer
    x = 1,065,342.47

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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.