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Finding the Third Proportional to 739,453 and 1,590,990

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Solution

The third proportional to 739,453 and 1,590,990 is: 3,423,137.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,453 : 1,590,990 = 1,590,990 : x
  2. Step 2: Convert to fraction form
    739,453/1,590,990 = 1,590,990/x
  3. Step 3: Cross multiply
    739,453x = 1,590,990 × 1,590,990
  4. Step 4: Simplify right side
    739,453x = 2,531,249,180,100
  5. Step 5: Solve for x
    x = 2,531,249,180,100/739,453
  6. Step 6: Final answer
    x = 3,423,137.35

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.