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Finding the Third Proportional to 1,553,319.75 and 3,389,036.25

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Solution

The third proportional to 1,553,319.75 and 3,389,036.25 is: 7,394,206.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,319.75 : 3,389,036.25 = 3,389,036.25 : x
  2. Step 2: Convert to fraction form
    1,553,319.75/3,389,036.25 = 3,389,036.25/x
  3. Step 3: Cross multiply
    1,553,319.75x = 3,389,036.25 × 3,389,036.25
  4. Step 4: Simplify right side
    1,553,319.75x = 11,485,566,703,814.06
  5. Step 5: Solve for x
    x = 11,485,566,703,814.06/1,553,319.75
  6. Step 6: Final answer
    x = 7,394,206.31

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.