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Finding the Third Proportional to 217,490 and 461,092

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Solution

The third proportional to 217,490 and 461,092 is: 977,543.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,490 : 461,092 = 461,092 : x
  2. Step 2: Convert to fraction form
    217,490/461,092 = 461,092/x
  3. Step 3: Cross multiply
    217,490x = 461,092 × 461,092
  4. Step 4: Simplify right side
    217,490x = 212,605,832,464
  5. Step 5: Solve for x
    x = 212,605,832,464/217,490
  6. Step 6: Final answer
    x = 977,543.02

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.