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Finding the Third Proportional to 13,533,552 and 20,987,520

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Solution

The third proportional to 13,533,552 and 20,987,520 is: 32,546,961.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,533,552 : 20,987,520 = 20,987,520 : x
  2. Step 2: Convert to fraction form
    13,533,552/20,987,520 = 20,987,520/x
  3. Step 3: Cross multiply
    13,533,552x = 20,987,520 × 20,987,520
  4. Step 4: Simplify right side
    13,533,552x = 440,475,995,750,400
  5. Step 5: Solve for x
    x = 440,475,995,750,400/13,533,552
  6. Step 6: Final answer
    x = 32,546,961.49

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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.