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Finding the Third Proportional to 739,120 and 1,115,336

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Solution

The third proportional to 739,120 and 1,115,336 is: 1,683,047.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,120 : 1,115,336 = 1,115,336 : x
  2. Step 2: Convert to fraction form
    739,120/1,115,336 = 1,115,336/x
  3. Step 3: Cross multiply
    739,120x = 1,115,336 × 1,115,336
  4. Step 4: Simplify right side
    739,120x = 1,243,974,392,896
  5. Step 5: Solve for x
    x = 1,243,974,392,896/739,120
  6. Step 6: Final answer
    x = 1,683,047.94

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.