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Finding the Third Proportional to 737,918 and 1,128,291

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Solution

The third proportional to 737,918 and 1,128,291 is: 1,725,178.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,918 : 1,128,291 = 1,128,291 : x
  2. Step 2: Convert to fraction form
    737,918/1,128,291 = 1,128,291/x
  3. Step 3: Cross multiply
    737,918x = 1,128,291 × 1,128,291
  4. Step 4: Simplify right side
    737,918x = 1,273,040,580,681
  5. Step 5: Solve for x
    x = 1,273,040,580,681/737,918
  6. Step 6: Final answer
    x = 1,725,178.92

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.