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Finding the Third Proportional to 1,916,509 and 3,889,334

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Solution

The third proportional to 1,916,509 and 3,889,334 is: 7,892,954.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,509 : 3,889,334 = 3,889,334 : x
  2. Step 2: Convert to fraction form
    1,916,509/3,889,334 = 3,889,334/x
  3. Step 3: Cross multiply
    1,916,509x = 3,889,334 × 3,889,334
  4. Step 4: Simplify right side
    1,916,509x = 15,126,918,963,556
  5. Step 5: Solve for x
    x = 15,126,918,963,556/1,916,509
  6. Step 6: Final answer
    x = 7,892,954.83

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.