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Finding the Third Proportional to 213,661 and 461,585

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Solution

The third proportional to 213,661 and 461,585 is: 997,190.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,661 : 461,585 = 461,585 : x
  2. Step 2: Convert to fraction form
    213,661/461,585 = 461,585/x
  3. Step 3: Cross multiply
    213,661x = 461,585 × 461,585
  4. Step 4: Simplify right side
    213,661x = 213,060,712,225
  5. Step 5: Solve for x
    x = 213,060,712,225/213,661
  6. Step 6: Final answer
    x = 997,190.47

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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.