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Finding the Third Proportional to 934,490 and 1,420,203

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Solution

The third proportional to 934,490 and 1,420,203 is: 2,158,371.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,490 : 1,420,203 = 1,420,203 : x
  2. Step 2: Convert to fraction form
    934,490/1,420,203 = 1,420,203/x
  3. Step 3: Cross multiply
    934,490x = 1,420,203 × 1,420,203
  4. Step 4: Simplify right side
    934,490x = 2,016,976,561,209
  5. Step 5: Solve for x
    x = 2,016,976,561,209/934,490
  6. Step 6: Final answer
    x = 2,158,371.48

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.