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Finding the Third Proportional to 488.63 and 1,058.81

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Solution

The third proportional to 488.63 and 1,058.81 is: 2,294.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    488.63 : 1,058.81 = 1,058.81 : x
  2. Step 2: Convert to fraction form
    488.63/1,058.81 = 1,058.81/x
  3. Step 3: Cross multiply
    488.63x = 1,058.81 × 1,058.81
  4. Step 4: Simplify right side
    488.63x = 1,121,083.91
  5. Step 5: Solve for x
    x = 1,121,083.91/488.63
  6. Step 6: Final answer
    x = 2,294.36

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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.