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Finding the Third Proportional to 458,392 and 995,670

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Solution

The third proportional to 458,392 and 995,670 is: 2,162,687.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,392 : 995,670 = 995,670 : x
  2. Step 2: Convert to fraction form
    458,392/995,670 = 995,670/x
  3. Step 3: Cross multiply
    458,392x = 995,670 × 995,670
  4. Step 4: Simplify right side
    458,392x = 991,358,748,900
  5. Step 5: Solve for x
    x = 991,358,748,900/458,392
  6. Step 6: Final answer
    x = 2,162,687.72

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.