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Finding the Third Proportional to 185,389,134.75 and 280,469,719.13

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Solution

The third proportional to 185,389,134.75 and 280,469,719.13 is: 424,314,312.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,389,134.75 : 280,469,719.13 = 280,469,719.13 : x
  2. Step 2: Convert to fraction form
    185,389,134.75/280,469,719.13 = 280,469,719.13/x
  3. Step 3: Cross multiply
    185,389,134.75x = 280,469,719.13 × 280,469,719.13
  4. Step 4: Simplify right side
    185,389,134.75x = 78,663,263,346,056,384
  5. Step 5: Solve for x
    x = 78,663,263,346,056,384/185,389,134.75
  6. Step 6: Final answer
    x = 424,314,312.98

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.