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Finding the Third Proportional to 776,556 and 1,661,060.25

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Solution

The third proportional to 776,556 and 1,661,060.25 is: 3,553,022.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,556 : 1,661,060.25 = 1,661,060.25 : x
  2. Step 2: Convert to fraction form
    776,556/1,661,060.25 = 1,661,060.25/x
  3. Step 3: Cross multiply
    776,556x = 1,661,060.25 × 1,661,060.25
  4. Step 4: Simplify right side
    776,556x = 2,759,121,154,130.06
  5. Step 5: Solve for x
    x = 2,759,121,154,130.06/776,556
  6. Step 6: Final answer
    x = 3,553,022.78

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.