Home / 127,346-280,120

Finding the Third Proportional to 127,346 and 280,120

Calculator

Solution

The third proportional to 127,346 and 280,120 is: 616,173.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,346 : 280,120 = 280,120 : x
  2. Step 2: Convert to fraction form
    127,346/280,120 = 280,120/x
  3. Step 3: Cross multiply
    127,346x = 280,120 × 280,120
  4. Step 4: Simplify right side
    127,346x = 78,467,214,400
  5. Step 5: Solve for x
    x = 78,467,214,400/127,346
  6. Step 6: Final answer
    x = 616,173.37

Related Problems

Find third proportional to 63,673 and 140,060
Half scale
Find third proportional to 254,692 and 560,240
Double scale
Find third proportional to 127,348 and 280,124
Similar ratio
Find third proportional to 191,019 and 420,180
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.