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Finding the Third Proportional to 858,257.44 and 1,261,111.78

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Solution

The third proportional to 858,257.44 and 1,261,111.78 is: 1,853,060.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,257.44 : 1,261,111.78 = 1,261,111.78 : x
  2. Step 2: Convert to fraction form
    858,257.44/1,261,111.78 = 1,261,111.78/x
  3. Step 3: Cross multiply
    858,257.44x = 1,261,111.78 × 1,261,111.78
  4. Step 4: Simplify right side
    858,257.44x = 1,590,402,924,807.55
  5. Step 5: Solve for x
    x = 1,590,402,924,807.55/858,257.44
  6. Step 6: Final answer
    x = 1,853,060.46

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.