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Finding the Third Proportional to 482,454 and 709,218

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Solution

The third proportional to 482,454 and 709,218 is: 1,042,566.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,454 : 709,218 = 709,218 : x
  2. Step 2: Convert to fraction form
    482,454/709,218 = 709,218/x
  3. Step 3: Cross multiply
    482,454x = 709,218 × 709,218
  4. Step 4: Simplify right side
    482,454x = 502,990,171,524
  5. Step 5: Solve for x
    x = 502,990,171,524/482,454
  6. Step 6: Final answer
    x = 1,042,566.07

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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.