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Finding the Third Proportional to 366,987 and 803,910

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Solution

The third proportional to 366,987 and 803,910 is: 1,761,019.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,987 : 803,910 = 803,910 : x
  2. Step 2: Convert to fraction form
    366,987/803,910 = 803,910/x
  3. Step 3: Cross multiply
    366,987x = 803,910 × 803,910
  4. Step 4: Simplify right side
    366,987x = 646,271,288,100
  5. Step 5: Solve for x
    x = 646,271,288,100/366,987
  6. Step 6: Final answer
    x = 1,761,019.57

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.