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Finding the Third Proportional to 861,647.63 and 1,207,444.22

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Solution

The third proportional to 861,647.63 and 1,207,444.22 is: 1,692,015.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,647.63 : 1,207,444.22 = 1,207,444.22 : x
  2. Step 2: Convert to fraction form
    861,647.63/1,207,444.22 = 1,207,444.22/x
  3. Step 3: Cross multiply
    861,647.63x = 1,207,444.22 × 1,207,444.22
  4. Step 4: Simplify right side
    861,647.63x = 1,457,921,541,392.80
  5. Step 5: Solve for x
    x = 1,457,921,541,392.80/861,647.63
  6. Step 6: Final answer
    x = 1,692,015.97

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.