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Finding the Third Proportional to 213,315 and 460,839

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Solution

The third proportional to 213,315 and 460,839 is: 995,582.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,315 : 460,839 = 460,839 : x
  2. Step 2: Convert to fraction form
    213,315/460,839 = 460,839/x
  3. Step 3: Cross multiply
    213,315x = 460,839 × 460,839
  4. Step 4: Simplify right side
    213,315x = 212,372,583,921
  5. Step 5: Solve for x
    x = 212,372,583,921/213,315
  6. Step 6: Final answer
    x = 995,582.04

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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.