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Finding the Third Proportional to 861,860.25 and 1,364,060.25

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Solution

The third proportional to 861,860.25 and 1,364,060.25 is: 2,158,888.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,860.25 : 1,364,060.25 = 1,364,060.25 : x
  2. Step 2: Convert to fraction form
    861,860.25/1,364,060.25 = 1,364,060.25/x
  3. Step 3: Cross multiply
    861,860.25x = 1,364,060.25 × 1,364,060.25
  4. Step 4: Simplify right side
    861,860.25x = 1,860,660,365,630.06
  5. Step 5: Solve for x
    x = 1,860,660,365,630.06/861,860.25
  6. Step 6: Final answer
    x = 2,158,888.71

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.