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Finding the Third Proportional to 110,719.50 and 258,619.50

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Solution

The third proportional to 110,719.50 and 258,619.50 is: 604,085.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,719.50 : 258,619.50 = 258,619.50 : x
  2. Step 2: Convert to fraction form
    110,719.50/258,619.50 = 258,619.50/x
  3. Step 3: Cross multiply
    110,719.50x = 258,619.50 × 258,619.50
  4. Step 4: Simplify right side
    110,719.50x = 66,884,045,780.25
  5. Step 5: Solve for x
    x = 66,884,045,780.25/110,719.50
  6. Step 6: Final answer
    x = 604,085.51

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.