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Finding the Third Proportional to 319,713 and 700,338

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Solution

The third proportional to 319,713 and 700,338 is: 1,534,105.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,713 : 700,338 = 700,338 : x
  2. Step 2: Convert to fraction form
    319,713/700,338 = 700,338/x
  3. Step 3: Cross multiply
    319,713x = 700,338 × 700,338
  4. Step 4: Simplify right side
    319,713x = 490,473,314,244
  5. Step 5: Solve for x
    x = 490,473,314,244/319,713
  6. Step 6: Final answer
    x = 1,534,105.01

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.