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Finding the Third Proportional to 517,342 and 772,827

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Solution

The third proportional to 517,342 and 772,827 is: 1,154,481.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,342 : 772,827 = 772,827 : x
  2. Step 2: Convert to fraction form
    517,342/772,827 = 772,827/x
  3. Step 3: Cross multiply
    517,342x = 772,827 × 772,827
  4. Step 4: Simplify right side
    517,342x = 597,261,571,929
  5. Step 5: Solve for x
    x = 597,261,571,929/517,342
  6. Step 6: Final answer
    x = 1,154,481.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.