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Finding the Third Proportional to 988,851 and 2,126,742

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Solution

The third proportional to 988,851 and 2,126,742 is: 4,574,027.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,851 : 2,126,742 = 2,126,742 : x
  2. Step 2: Convert to fraction form
    988,851/2,126,742 = 2,126,742/x
  3. Step 3: Cross multiply
    988,851x = 2,126,742 × 2,126,742
  4. Step 4: Simplify right side
    988,851x = 4,523,031,534,564
  5. Step 5: Solve for x
    x = 4,523,031,534,564/988,851
  6. Step 6: Final answer
    x = 4,574,027.37

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.