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Finding the Third Proportional to 58,458 and 127,851

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Solution

The third proportional to 58,458 and 127,851 is: 279,617.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,458 : 127,851 = 127,851 : x
  2. Step 2: Convert to fraction form
    58,458/127,851 = 127,851/x
  3. Step 3: Cross multiply
    58,458x = 127,851 × 127,851
  4. Step 4: Simplify right side
    58,458x = 16,345,878,201
  5. Step 5: Solve for x
    x = 16,345,878,201/58,458
  6. Step 6: Final answer
    x = 279,617.47

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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.