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Finding the Third Proportional to 200,888 and 293,640

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Solution

The third proportional to 200,888 and 293,640 is: 429,216.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,888 : 293,640 = 293,640 : x
  2. Step 2: Convert to fraction form
    200,888/293,640 = 293,640/x
  3. Step 3: Cross multiply
    200,888x = 293,640 × 293,640
  4. Step 4: Simplify right side
    200,888x = 86,224,449,600
  5. Step 5: Solve for x
    x = 86,224,449,600/200,888
  6. Step 6: Final answer
    x = 429,216.53

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.