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Finding the Third Proportional to 1,910,587.50 and 2,787,129

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Solution

The third proportional to 1,910,587.50 and 2,787,129 is: 4,065,811.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910,587.50 : 2,787,129 = 2,787,129 : x
  2. Step 2: Convert to fraction form
    1,910,587.50/2,787,129 = 2,787,129/x
  3. Step 3: Cross multiply
    1,910,587.50x = 2,787,129 × 2,787,129
  4. Step 4: Simplify right side
    1,910,587.50x = 7,768,088,062,641
  5. Step 5: Solve for x
    x = 7,768,088,062,641/1,910,587.50
  6. Step 6: Final answer
    x = 4,065,811.20

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.