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Finding the Third Proportional to 889,785 and 1,919,538

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Solution

The third proportional to 889,785 and 1,919,538 is: 4,141,029.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,785 : 1,919,538 = 1,919,538 : x
  2. Step 2: Convert to fraction form
    889,785/1,919,538 = 1,919,538/x
  3. Step 3: Cross multiply
    889,785x = 1,919,538 × 1,919,538
  4. Step 4: Simplify right side
    889,785x = 3,684,626,133,444
  5. Step 5: Solve for x
    x = 3,684,626,133,444/889,785
  6. Step 6: Final answer
    x = 4,141,029.72

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.