Home / 127,744-268,720

Finding the Third Proportional to 127,744 and 268,720

Calculator

Solution

The third proportional to 127,744 and 268,720 is: 565,274.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,744 : 268,720 = 268,720 : x
  2. Step 2: Convert to fraction form
    127,744/268,720 = 268,720/x
  3. Step 3: Cross multiply
    127,744x = 268,720 × 268,720
  4. Step 4: Simplify right side
    127,744x = 72,210,438,400
  5. Step 5: Solve for x
    x = 72,210,438,400/127,744
  6. Step 6: Final answer
    x = 565,274.60

Related Problems

Find third proportional to 63,872 and 134,360
Half scale
Find third proportional to 255,488 and 537,440
Double scale
Find third proportional to 127,746 and 268,724
Similar ratio
Find third proportional to 191,616 and 403,080
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.