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Finding the Third Proportional to 200,943 and 433,435

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Solution

The third proportional to 200,943 and 433,435 is: 934,921.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,943 : 433,435 = 433,435 : x
  2. Step 2: Convert to fraction form
    200,943/433,435 = 433,435/x
  3. Step 3: Cross multiply
    200,943x = 433,435 × 433,435
  4. Step 4: Simplify right side
    200,943x = 187,865,899,225
  5. Step 5: Solve for x
    x = 187,865,899,225/200,943
  6. Step 6: Final answer
    x = 934,921.34

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.