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Finding the Third Proportional to 115,018 and 251,359

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Solution

The third proportional to 115,018 and 251,359 is: 549,317.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,018 : 251,359 = 251,359 : x
  2. Step 2: Convert to fraction form
    115,018/251,359 = 251,359/x
  3. Step 3: Cross multiply
    115,018x = 251,359 × 251,359
  4. Step 4: Simplify right side
    115,018x = 63,181,346,881
  5. Step 5: Solve for x
    x = 63,181,346,881/115,018
  6. Step 6: Final answer
    x = 549,317.04

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.