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Finding the Third Proportional to 63,018 and 99,831

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Solution

The third proportional to 63,018 and 99,831 is: 158,148.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,018 : 99,831 = 99,831 : x
  2. Step 2: Convert to fraction form
    63,018/99,831 = 99,831/x
  3. Step 3: Cross multiply
    63,018x = 99,831 × 99,831
  4. Step 4: Simplify right side
    63,018x = 9,966,228,561
  5. Step 5: Solve for x
    x = 9,966,228,561/63,018
  6. Step 6: Final answer
    x = 158,148.92

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.