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Finding the Third Proportional to 482,367 and 709,578

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Solution

The third proportional to 482,367 and 709,578 is: 1,043,812.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,367 : 709,578 = 709,578 : x
  2. Step 2: Convert to fraction form
    482,367/709,578 = 709,578/x
  3. Step 3: Cross multiply
    482,367x = 709,578 × 709,578
  4. Step 4: Simplify right side
    482,367x = 503,500,938,084
  5. Step 5: Solve for x
    x = 503,500,938,084/482,367
  6. Step 6: Final answer
    x = 1,043,812.98

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.