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Finding the Third Proportional to 146,745 and 316,818

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Solution

The third proportional to 146,745 and 316,818 is: 684,000.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,745 : 316,818 = 316,818 : x
  2. Step 2: Convert to fraction form
    146,745/316,818 = 316,818/x
  3. Step 3: Cross multiply
    146,745x = 316,818 × 316,818
  4. Step 4: Simplify right side
    146,745x = 100,373,645,124
  5. Step 5: Solve for x
    x = 100,373,645,124/146,745
  6. Step 6: Final answer
    x = 684,000.44

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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.