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Finding the Third Proportional to 112,319 and 244,321

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Solution

The third proportional to 112,319 and 244,321 is: 531,457.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,319 : 244,321 = 244,321 : x
  2. Step 2: Convert to fraction form
    112,319/244,321 = 244,321/x
  3. Step 3: Cross multiply
    112,319x = 244,321 × 244,321
  4. Step 4: Simplify right side
    112,319x = 59,692,751,041
  5. Step 5: Solve for x
    x = 59,692,751,041/112,319
  6. Step 6: Final answer
    x = 531,457.29

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.