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Finding the Third Proportional to 878,332 and 1,889,816

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Solution

The third proportional to 878,332 and 1,889,816 is: 4,066,121.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,332 : 1,889,816 = 1,889,816 : x
  2. Step 2: Convert to fraction form
    878,332/1,889,816 = 1,889,816/x
  3. Step 3: Cross multiply
    878,332x = 1,889,816 × 1,889,816
  4. Step 4: Simplify right side
    878,332x = 3,571,404,513,856
  5. Step 5: Solve for x
    x = 3,571,404,513,856/878,332
  6. Step 6: Final answer
    x = 4,066,121.37

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.