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Finding the Third Proportional to 939,906 and 1,339,875

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Solution

The third proportional to 939,906 and 1,339,875 is: 1,910,047.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,906 : 1,339,875 = 1,339,875 : x
  2. Step 2: Convert to fraction form
    939,906/1,339,875 = 1,339,875/x
  3. Step 3: Cross multiply
    939,906x = 1,339,875 × 1,339,875
  4. Step 4: Simplify right side
    939,906x = 1,795,265,015,625
  5. Step 5: Solve for x
    x = 1,795,265,015,625/939,906
  6. Step 6: Final answer
    x = 1,910,047.40

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.