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Finding the Third Proportional to 1,415,661.05 and 2,123,645.34

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Solution

The third proportional to 1,415,661.05 and 2,123,645.34 is: 3,185,698.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,661.05 : 2,123,645.34 = 2,123,645.34 : x
  2. Step 2: Convert to fraction form
    1,415,661.05/2,123,645.34 = 2,123,645.34/x
  3. Step 3: Cross multiply
    1,415,661.05x = 2,123,645.34 × 2,123,645.34
  4. Step 4: Simplify right side
    1,415,661.05x = 4,509,869,546,031.06
  5. Step 5: Solve for x
    x = 4,509,869,546,031.06/1,415,661.05
  6. Step 6: Final answer
    x = 3,185,698.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.