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Finding the Third Proportional to 107,520 and 230,688

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Solution

The third proportional to 107,520 and 230,688 is: 494,949.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,520 : 230,688 = 230,688 : x
  2. Step 2: Convert to fraction form
    107,520/230,688 = 230,688/x
  3. Step 3: Cross multiply
    107,520x = 230,688 × 230,688
  4. Step 4: Simplify right side
    107,520x = 53,216,953,344
  5. Step 5: Solve for x
    x = 53,216,953,344/107,520
  6. Step 6: Final answer
    x = 494,949.34

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.