Home / 127,640-272,656

Finding the Third Proportional to 127,640 and 272,656

Calculator

Solution

The third proportional to 127,640 and 272,656 is: 582,429.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,640 : 272,656 = 272,656 : x
  2. Step 2: Convert to fraction form
    127,640/272,656 = 272,656/x
  3. Step 3: Cross multiply
    127,640x = 272,656 × 272,656
  4. Step 4: Simplify right side
    127,640x = 74,341,294,336
  5. Step 5: Solve for x
    x = 74,341,294,336/127,640
  6. Step 6: Final answer
    x = 582,429.44

Related Problems

Find third proportional to 63,820 and 136,328
Half scale
Find third proportional to 255,280 and 545,312
Double scale
Find third proportional to 127,642 and 272,660
Similar ratio
Find third proportional to 191,460 and 408,984
1.5x scale

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.