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Finding the Third Proportional to 168,310 and 245,955

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Solution

The third proportional to 168,310 and 245,955 is: 359,419.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,310 : 245,955 = 245,955 : x
  2. Step 2: Convert to fraction form
    168,310/245,955 = 245,955/x
  3. Step 3: Cross multiply
    168,310x = 245,955 × 245,955
  4. Step 4: Simplify right side
    168,310x = 60,493,862,025
  5. Step 5: Solve for x
    x = 60,493,862,025/168,310
  6. Step 6: Final answer
    x = 359,419.30

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.