Home / 127,920-277,572

Finding the Third Proportional to 127,920 and 277,572

Calculator

Solution

The third proportional to 127,920 and 277,572 is: 602,299.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,920 : 277,572 = 277,572 : x
  2. Step 2: Convert to fraction form
    127,920/277,572 = 277,572/x
  3. Step 3: Cross multiply
    127,920x = 277,572 × 277,572
  4. Step 4: Simplify right side
    127,920x = 77,046,215,184
  5. Step 5: Solve for x
    x = 77,046,215,184/127,920
  6. Step 6: Final answer
    x = 602,299.99

Related Problems

Find third proportional to 63,960 and 138,786
Half scale
Find third proportional to 255,840 and 555,144
Double scale
Find third proportional to 127,922 and 277,576
Similar ratio
Find third proportional to 191,880 and 416,358
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.