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Finding the Third Proportional to 200,838 and 432,768

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Solution

The third proportional to 200,838 and 432,768 is: 932,533.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,838 : 432,768 = 432,768 : x
  2. Step 2: Convert to fraction form
    200,838/432,768 = 432,768/x
  3. Step 3: Cross multiply
    200,838x = 432,768 × 432,768
  4. Step 4: Simplify right side
    200,838x = 187,288,141,824
  5. Step 5: Solve for x
    x = 187,288,141,824/200,838
  6. Step 6: Final answer
    x = 932,533.39

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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.