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Finding the Third Proportional to 1,888,079.63 and 2,903,789.25

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Solution

The third proportional to 1,888,079.63 and 2,903,789.25 is: 4,465,909.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,079.63 : 2,903,789.25 = 2,903,789.25 : x
  2. Step 2: Convert to fraction form
    1,888,079.63/2,903,789.25 = 2,903,789.25/x
  3. Step 3: Cross multiply
    1,888,079.63x = 2,903,789.25 × 2,903,789.25
  4. Step 4: Simplify right side
    1,888,079.63x = 8,431,992,008,415.56
  5. Step 5: Solve for x
    x = 8,431,992,008,415.56/1,888,079.63
  6. Step 6: Final answer
    x = 4,465,909.12

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.