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Finding the Third Proportional to 289,386 and 452,601

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Solution

The third proportional to 289,386 and 452,601 is: 707,869.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,386 : 452,601 = 452,601 : x
  2. Step 2: Convert to fraction form
    289,386/452,601 = 452,601/x
  3. Step 3: Cross multiply
    289,386x = 452,601 × 452,601
  4. Step 4: Simplify right side
    289,386x = 204,847,665,201
  5. Step 5: Solve for x
    x = 204,847,665,201/289,386
  6. Step 6: Final answer
    x = 707,869.99

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.