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Finding the Third Proportional to 590,440 and 939,963

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Solution

The third proportional to 590,440 and 939,963 is: 1,496,393.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,440 : 939,963 = 939,963 : x
  2. Step 2: Convert to fraction form
    590,440/939,963 = 939,963/x
  3. Step 3: Cross multiply
    590,440x = 939,963 × 939,963
  4. Step 4: Simplify right side
    590,440x = 883,530,441,369
  5. Step 5: Solve for x
    x = 883,530,441,369/590,440
  6. Step 6: Final answer
    x = 1,496,393.27

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.