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Finding the Third Proportional to 117,360 and 253,386

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Solution

The third proportional to 117,360 and 253,386 is: 547,072.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,360 : 253,386 = 253,386 : x
  2. Step 2: Convert to fraction form
    117,360/253,386 = 253,386/x
  3. Step 3: Cross multiply
    117,360x = 253,386 × 253,386
  4. Step 4: Simplify right side
    117,360x = 64,204,464,996
  5. Step 5: Solve for x
    x = 64,204,464,996/117,360
  6. Step 6: Final answer
    x = 547,072.81

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.