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Finding the Third Proportional to 890,335.13 and 1,379,484

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Solution

The third proportional to 890,335.13 and 1,379,484 is: 2,137,370.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,335.13 : 1,379,484 = 1,379,484 : x
  2. Step 2: Convert to fraction form
    890,335.13/1,379,484 = 1,379,484/x
  3. Step 3: Cross multiply
    890,335.13x = 1,379,484 × 1,379,484
  4. Step 4: Simplify right side
    890,335.13x = 1,902,976,106,256
  5. Step 5: Solve for x
    x = 1,902,976,106,256/890,335.13
  6. Step 6: Final answer
    x = 2,137,370.58

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.