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Finding the Third Proportional to 939,449 and 2,058,448

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Solution

The third proportional to 939,449 and 2,058,448 is: 4,510,312.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,449 : 2,058,448 = 2,058,448 : x
  2. Step 2: Convert to fraction form
    939,449/2,058,448 = 2,058,448/x
  3. Step 3: Cross multiply
    939,449x = 2,058,448 × 2,058,448
  4. Step 4: Simplify right side
    939,449x = 4,237,208,168,704
  5. Step 5: Solve for x
    x = 4,237,208,168,704/939,449
  6. Step 6: Final answer
    x = 4,510,312.08

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.