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Finding the Third Proportional to 1,286,671.50 and 1,892,565

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Solution

The third proportional to 1,286,671.50 and 1,892,565 is: 2,783,773.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,671.50 : 1,892,565 = 1,892,565 : x
  2. Step 2: Convert to fraction form
    1,286,671.50/1,892,565 = 1,892,565/x
  3. Step 3: Cross multiply
    1,286,671.50x = 1,892,565 × 1,892,565
  4. Step 4: Simplify right side
    1,286,671.50x = 3,581,802,279,225
  5. Step 5: Solve for x
    x = 3,581,802,279,225/1,286,671.50
  6. Step 6: Final answer
    x = 2,783,773.70

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.