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Finding the Third Proportional to 919,629 and 2,010,330

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Solution

The third proportional to 919,629 and 2,010,330 is: 4,394,627.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,629 : 2,010,330 = 2,010,330 : x
  2. Step 2: Convert to fraction form
    919,629/2,010,330 = 2,010,330/x
  3. Step 3: Cross multiply
    919,629x = 2,010,330 × 2,010,330
  4. Step 4: Simplify right side
    919,629x = 4,041,426,708,900
  5. Step 5: Solve for x
    x = 4,041,426,708,900/919,629
  6. Step 6: Final answer
    x = 4,394,627.30

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.