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Finding the Third Proportional to 960,720 and 1,391,508

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Solution

The third proportional to 960,720 and 1,391,508 is: 2,015,461.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,720 : 1,391,508 = 1,391,508 : x
  2. Step 2: Convert to fraction form
    960,720/1,391,508 = 1,391,508/x
  3. Step 3: Cross multiply
    960,720x = 1,391,508 × 1,391,508
  4. Step 4: Simplify right side
    960,720x = 1,936,294,514,064
  5. Step 5: Solve for x
    x = 1,936,294,514,064/960,720
  6. Step 6: Final answer
    x = 2,015,461.86

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.