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Finding the Third Proportional to 197,290.13 and 427,780.13

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Solution

The third proportional to 197,290.13 and 427,780.13 is: 927,546.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,290.13 : 427,780.13 = 427,780.13 : x
  2. Step 2: Convert to fraction form
    197,290.13/427,780.13 = 427,780.13/x
  3. Step 3: Cross multiply
    197,290.13x = 427,780.13 × 427,780.13
  4. Step 4: Simplify right side
    197,290.13x = 182,995,835,345.02
  5. Step 5: Solve for x
    x = 182,995,835,345.02/197,290.13
  6. Step 6: Final answer
    x = 927,546.86

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.