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Finding the Third Proportional to 538,714.13 and 803,399.06

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Solution

The third proportional to 538,714.13 and 803,399.06 is: 1,198,130.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,714.13 : 803,399.06 = 803,399.06 : x
  2. Step 2: Convert to fraction form
    538,714.13/803,399.06 = 803,399.06/x
  3. Step 3: Cross multiply
    538,714.13x = 803,399.06 × 803,399.06
  4. Step 4: Simplify right side
    538,714.13x = 645,450,053,625.88
  5. Step 5: Solve for x
    x = 645,450,053,625.88/538,714.13
  6. Step 6: Final answer
    x = 1,198,130.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.