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Finding the Third Proportional to 641,988 and 1,518,232

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Solution

The third proportional to 641,988 and 1,518,232 is: 3,590,454.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,988 : 1,518,232 = 1,518,232 : x
  2. Step 2: Convert to fraction form
    641,988/1,518,232 = 1,518,232/x
  3. Step 3: Cross multiply
    641,988x = 1,518,232 × 1,518,232
  4. Step 4: Simplify right side
    641,988x = 2,305,028,405,824
  5. Step 5: Solve for x
    x = 2,305,028,405,824/641,988
  6. Step 6: Final answer
    x = 3,590,454.04

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.