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Finding the Third Proportional to 45,018 and 97,873

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Solution

The third proportional to 45,018 and 97,873 is: 212,784.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,018 : 97,873 = 97,873 : x
  2. Step 2: Convert to fraction form
    45,018/97,873 = 97,873/x
  3. Step 3: Cross multiply
    45,018x = 97,873 × 97,873
  4. Step 4: Simplify right side
    45,018x = 9,579,124,129
  5. Step 5: Solve for x
    x = 9,579,124,129/45,018
  6. Step 6: Final answer
    x = 212,784.31

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.