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Finding the Third Proportional to 146,028 and 316,844

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Solution

The third proportional to 146,028 and 316,844 is: 687,471.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,028 : 316,844 = 316,844 : x
  2. Step 2: Convert to fraction form
    146,028/316,844 = 316,844/x
  3. Step 3: Cross multiply
    146,028x = 316,844 × 316,844
  4. Step 4: Simplify right side
    146,028x = 100,390,120,336
  5. Step 5: Solve for x
    x = 100,390,120,336/146,028
  6. Step 6: Final answer
    x = 687,471.72

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.