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Finding the Third Proportional to 918,313 and 2,144,411

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Solution

The third proportional to 918,313 and 2,144,411 is: 5,007,550.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,313 : 2,144,411 = 2,144,411 : x
  2. Step 2: Convert to fraction form
    918,313/2,144,411 = 2,144,411/x
  3. Step 3: Cross multiply
    918,313x = 2,144,411 × 2,144,411
  4. Step 4: Simplify right side
    918,313x = 4,598,498,536,921
  5. Step 5: Solve for x
    x = 4,598,498,536,921/918,313
  6. Step 6: Final answer
    x = 5,007,550.30

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.