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Finding the Third Proportional to 117,587 and 258,585

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Solution

The third proportional to 117,587 and 258,585 is: 568,653.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,587 : 258,585 = 258,585 : x
  2. Step 2: Convert to fraction form
    117,587/258,585 = 258,585/x
  3. Step 3: Cross multiply
    117,587x = 258,585 × 258,585
  4. Step 4: Simplify right side
    117,587x = 66,866,202,225
  5. Step 5: Solve for x
    x = 66,866,202,225/117,587
  6. Step 6: Final answer
    x = 568,653.02

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.