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Finding the Third Proportional to 80,360,520 and 174,420,426

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Solution

The third proportional to 80,360,520 and 174,420,426 is: 378,575,014.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,360,520 : 174,420,426 = 174,420,426 : x
  2. Step 2: Convert to fraction form
    80,360,520/174,420,426 = 174,420,426/x
  3. Step 3: Cross multiply
    80,360,520x = 174,420,426 × 174,420,426
  4. Step 4: Simplify right side
    80,360,520x = 30,422,485,006,021,476
  5. Step 5: Solve for x
    x = 30,422,485,006,021,476/80,360,520
  6. Step 6: Final answer
    x = 378,575,014.27

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.