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Finding the Third Proportional to 875,289 and 1,899,963

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Solution

The third proportional to 875,289 and 1,899,963 is: 4,124,191.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,289 : 1,899,963 = 1,899,963 : x
  2. Step 2: Convert to fraction form
    875,289/1,899,963 = 1,899,963/x
  3. Step 3: Cross multiply
    875,289x = 1,899,963 × 1,899,963
  4. Step 4: Simplify right side
    875,289x = 3,609,859,401,369
  5. Step 5: Solve for x
    x = 3,609,859,401,369/875,289
  6. Step 6: Final answer
    x = 4,124,191.44

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.