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Finding the Third Proportional to 117,585 and 258,580.13

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Solution

The third proportional to 117,585 and 258,580.13 is: 568,641.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,585 : 258,580.13 = 258,580.13 : x
  2. Step 2: Convert to fraction form
    117,585/258,580.13 = 258,580.13/x
  3. Step 3: Cross multiply
    117,585x = 258,580.13 × 258,580.13
  4. Step 4: Simplify right side
    117,585x = 66,863,681,045.02
  5. Step 5: Solve for x
    x = 66,863,681,045.02/117,585
  6. Step 6: Final answer
    x = 568,641.25

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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.