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Finding the Third Proportional to 331,029 and 708,714

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Solution

The third proportional to 331,029 and 708,714 is: 1,517,315.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,029 : 708,714 = 708,714 : x
  2. Step 2: Convert to fraction form
    331,029/708,714 = 708,714/x
  3. Step 3: Cross multiply
    331,029x = 708,714 × 708,714
  4. Step 4: Simplify right side
    331,029x = 502,275,533,796
  5. Step 5: Solve for x
    x = 502,275,533,796/331,029
  6. Step 6: Final answer
    x = 1,517,315.81

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.