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Finding the Third Proportional to 3,430,742 and 5,031,525

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Solution

The third proportional to 3,430,742 and 5,031,525 is: 7,379,232.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430,742 : 5,031,525 = 5,031,525 : x
  2. Step 2: Convert to fraction form
    3,430,742/5,031,525 = 5,031,525/x
  3. Step 3: Cross multiply
    3,430,742x = 5,031,525 × 5,031,525
  4. Step 4: Simplify right side
    3,430,742x = 25,316,243,825,625
  5. Step 5: Solve for x
    x = 25,316,243,825,625/3,430,742
  6. Step 6: Final answer
    x = 7,379,232.78

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.