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Finding the Third Proportional to 918,330 and 2,144,455.50

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Solution

The third proportional to 918,330 and 2,144,455.50 is: 5,007,665.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,330 : 2,144,455.50 = 2,144,455.50 : x
  2. Step 2: Convert to fraction form
    918,330/2,144,455.50 = 2,144,455.50/x
  3. Step 3: Cross multiply
    918,330x = 2,144,455.50 × 2,144,455.50
  4. Step 4: Simplify right side
    918,330x = 4,598,689,391,480.25
  5. Step 5: Solve for x
    x = 4,598,689,391,480.25/918,330
  6. Step 6: Final answer
    x = 5,007,665.43

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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.