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Finding the Third Proportional to 45,130 and 98,684

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Solution

The third proportional to 45,130 and 98,684 is: 215,788.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,130 : 98,684 = 98,684 : x
  2. Step 2: Convert to fraction form
    45,130/98,684 = 98,684/x
  3. Step 3: Cross multiply
    45,130x = 98,684 × 98,684
  4. Step 4: Simplify right side
    45,130x = 9,738,531,856
  5. Step 5: Solve for x
    x = 9,738,531,856/45,130
  6. Step 6: Final answer
    x = 215,788.43

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.