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Finding the Third Proportional to 20,175,378 and 32,118,678

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Solution

The third proportional to 20,175,378 and 32,118,678 is: 51,132,101.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,175,378 : 32,118,678 = 32,118,678 : x
  2. Step 2: Convert to fraction form
    20,175,378/32,118,678 = 32,118,678/x
  3. Step 3: Cross multiply
    20,175,378x = 32,118,678 × 32,118,678
  4. Step 4: Simplify right side
    20,175,378x = 1,031,609,476,467,684
  5. Step 5: Solve for x
    x = 1,031,609,476,467,684/20,175,378
  6. Step 6: Final answer
    x = 51,132,101.54

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.