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Finding the Third Proportional to 434,600.44 and 672,365.81

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Solution

The third proportional to 434,600.44 and 672,365.81 is: 1,040,210.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,600.44 : 672,365.81 = 672,365.81 : x
  2. Step 2: Convert to fraction form
    434,600.44/672,365.81 = 672,365.81/x
  3. Step 3: Cross multiply
    434,600.44x = 672,365.81 × 672,365.81
  4. Step 4: Simplify right side
    434,600.44x = 452,075,785,818.79
  5. Step 5: Solve for x
    x = 452,075,785,818.79/434,600.44
  6. Step 6: Final answer
    x = 1,040,210.15

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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.