Home / 187,980,401.25-287,373,584.25

Finding the Third Proportional to 187,980,401.25 and 287,373,584.25

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Solution

The third proportional to 187,980,401.25 and 287,373,584.25 is: 439,320,143.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,980,401.25 : 287,373,584.25 = 287,373,584.25 : x
  2. Step 2: Convert to fraction form
    187,980,401.25/287,373,584.25 = 287,373,584.25/x
  3. Step 3: Cross multiply
    187,980,401.25x = 287,373,584.25 × 287,373,584.25
  4. Step 4: Simplify right side
    187,980,401.25x = 82,583,576,924,691,856
  5. Step 5: Solve for x
    x = 82,583,576,924,691,856/187,980,401.25
  6. Step 6: Final answer
    x = 439,320,143.88

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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.