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Finding the Third Proportional to 885,673 and 1,375,169

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Solution

The third proportional to 885,673 and 1,375,169 is: 2,135,200.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,673 : 1,375,169 = 1,375,169 : x
  2. Step 2: Convert to fraction form
    885,673/1,375,169 = 1,375,169/x
  3. Step 3: Cross multiply
    885,673x = 1,375,169 × 1,375,169
  4. Step 4: Simplify right side
    885,673x = 1,891,089,778,561
  5. Step 5: Solve for x
    x = 1,891,089,778,561/885,673
  6. Step 6: Final answer
    x = 2,135,200.89

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.