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Finding the Third Proportional to 197,220.66 and 425,580.33

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Solution

The third proportional to 197,220.66 and 425,580.33 is: 918,355.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,220.66 : 425,580.33 = 425,580.33 : x
  2. Step 2: Convert to fraction form
    197,220.66/425,580.33 = 425,580.33/x
  3. Step 3: Cross multiply
    197,220.66x = 425,580.33 × 425,580.33
  4. Step 4: Simplify right side
    197,220.66x = 181,118,615,686.98
  5. Step 5: Solve for x
    x = 181,118,615,686.98/197,220.66
  6. Step 6: Final answer
    x = 918,355.20

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.