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Finding the Third Proportional to 579,509 and 886,486

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Solution

The third proportional to 579,509 and 886,486 is: 1,356,074.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,509 : 886,486 = 886,486 : x
  2. Step 2: Convert to fraction form
    579,509/886,486 = 886,486/x
  3. Step 3: Cross multiply
    579,509x = 886,486 × 886,486
  4. Step 4: Simplify right side
    579,509x = 785,857,428,196
  5. Step 5: Solve for x
    x = 785,857,428,196/579,509
  6. Step 6: Final answer
    x = 1,356,074.59

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.