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Finding the Third Proportional to 1,937,817 and 4,171,765.50

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Solution

The third proportional to 1,937,817 and 4,171,765.50 is: 8,981,047.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937,817 : 4,171,765.50 = 4,171,765.50 : x
  2. Step 2: Convert to fraction form
    1,937,817/4,171,765.50 = 4,171,765.50/x
  3. Step 3: Cross multiply
    1,937,817x = 4,171,765.50 × 4,171,765.50
  4. Step 4: Simplify right side
    1,937,817x = 17,403,627,386,990.25
  5. Step 5: Solve for x
    x = 17,403,627,386,990.25/1,937,817
  6. Step 6: Final answer
    x = 8,981,047.95

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.