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Finding the Third Proportional to 319,356 and 500,976

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Solution

The third proportional to 319,356 and 500,976 is: 785,884.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,356 : 500,976 = 500,976 : x
  2. Step 2: Convert to fraction form
    319,356/500,976 = 500,976/x
  3. Step 3: Cross multiply
    319,356x = 500,976 × 500,976
  4. Step 4: Simplify right side
    319,356x = 250,976,952,576
  5. Step 5: Solve for x
    x = 250,976,952,576/319,356
  6. Step 6: Final answer
    x = 785,884.57

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.