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Finding the Third Proportional to 215,310 and 463,522

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Solution

The third proportional to 215,310 and 463,522 is: 997,875.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,310 : 463,522 = 463,522 : x
  2. Step 2: Convert to fraction form
    215,310/463,522 = 463,522/x
  3. Step 3: Cross multiply
    215,310x = 463,522 × 463,522
  4. Step 4: Simplify right side
    215,310x = 214,852,644,484
  5. Step 5: Solve for x
    x = 214,852,644,484/215,310
  6. Step 6: Final answer
    x = 997,875.83

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.