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Finding the Third Proportional to 58,651 and 127,887

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Solution

The third proportional to 58,651 and 127,887 is: 278,854.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,651 : 127,887 = 127,887 : x
  2. Step 2: Convert to fraction form
    58,651/127,887 = 127,887/x
  3. Step 3: Cross multiply
    58,651x = 127,887 × 127,887
  4. Step 4: Simplify right side
    58,651x = 16,355,084,769
  5. Step 5: Solve for x
    x = 16,355,084,769/58,651
  6. Step 6: Final answer
    x = 278,854.32

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.