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Finding the Third Proportional to 129,648,281 and 280,820,530

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Solution

The third proportional to 129,648,281 and 280,820,530 is: 608,262,365.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,648,281 : 280,820,530 = 280,820,530 : x
  2. Step 2: Convert to fraction form
    129,648,281/280,820,530 = 280,820,530/x
  3. Step 3: Cross multiply
    129,648,281x = 280,820,530 × 280,820,530
  4. Step 4: Simplify right side
    129,648,281x = 78,860,170,069,480,896
  5. Step 5: Solve for x
    x = 78,860,170,069,480,896/129,648,281
  6. Step 6: Final answer
    x = 608,262,365.39

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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.