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Finding the Third Proportional to 126,312 and 270,130

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Solution

The third proportional to 126,312 and 270,130 is: 577,698.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,312 : 270,130 = 270,130 : x
  2. Step 2: Convert to fraction form
    126,312/270,130 = 270,130/x
  3. Step 3: Cross multiply
    126,312x = 270,130 × 270,130
  4. Step 4: Simplify right side
    126,312x = 72,970,216,900
  5. Step 5: Solve for x
    x = 72,970,216,900/126,312
  6. Step 6: Final answer
    x = 577,698.21

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.