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Finding the Third Proportional to 339,334,580 and 518,863,539

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Solution

The third proportional to 339,334,580 and 518,863,539 is: 793,374,409.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,334,580 : 518,863,539 = 518,863,539 : x
  2. Step 2: Convert to fraction form
    339,334,580/518,863,539 = 518,863,539/x
  3. Step 3: Cross multiply
    339,334,580x = 518,863,539 × 518,863,539
  4. Step 4: Simplify right side
    339,334,580x = 269,219,372,103,604,512
  5. Step 5: Solve for x
    x = 269,219,372,103,604,512/339,334,580
  6. Step 6: Final answer
    x = 793,374,409.72

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.