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Finding the Third Proportional to 482,859 and 764,415

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Solution

The third proportional to 482,859 and 764,415 is: 1,210,146.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,859 : 764,415 = 764,415 : x
  2. Step 2: Convert to fraction form
    482,859/764,415 = 764,415/x
  3. Step 3: Cross multiply
    482,859x = 764,415 × 764,415
  4. Step 4: Simplify right side
    482,859x = 584,330,292,225
  5. Step 5: Solve for x
    x = 584,330,292,225/482,859
  6. Step 6: Final answer
    x = 1,210,146.84

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.