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Finding the Third Proportional to 275,494.22 and 425,708.72

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Solution

The third proportional to 275,494.22 and 425,708.72 is: 657,828.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,494.22 : 425,708.72 = 425,708.72 : x
  2. Step 2: Convert to fraction form
    275,494.22/425,708.72 = 425,708.72/x
  3. Step 3: Cross multiply
    275,494.22x = 425,708.72 × 425,708.72
  4. Step 4: Simplify right side
    275,494.22x = 181,227,913,219.77
  5. Step 5: Solve for x
    x = 181,227,913,219.77/275,494.22
  6. Step 6: Final answer
    x = 657,828.37

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.