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Finding the Third Proportional to 845,985.75 and 1,761,678.75

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Solution

The third proportional to 845,985.75 and 1,761,678.75 is: 3,668,515.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,985.75 : 1,761,678.75 = 1,761,678.75 : x
  2. Step 2: Convert to fraction form
    845,985.75/1,761,678.75 = 1,761,678.75/x
  3. Step 3: Cross multiply
    845,985.75x = 1,761,678.75 × 1,761,678.75
  4. Step 4: Simplify right side
    845,985.75x = 3,103,512,018,201.56
  5. Step 5: Solve for x
    x = 3,103,512,018,201.56/845,985.75
  6. Step 6: Final answer
    x = 3,668,515.71

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.