Home / 127,580-187,678

Finding the Third Proportional to 127,580 and 187,678

Calculator

Solution

The third proportional to 127,580 and 187,678 is: 276,085.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,580 : 187,678 = 187,678 : x
  2. Step 2: Convert to fraction form
    127,580/187,678 = 187,678/x
  3. Step 3: Cross multiply
    127,580x = 187,678 × 187,678
  4. Step 4: Simplify right side
    127,580x = 35,223,031,684
  5. Step 5: Solve for x
    x = 35,223,031,684/127,580
  6. Step 6: Final answer
    x = 276,085.84

Related Problems

Find third proportional to 63,790 and 93,839
Half scale
Find third proportional to 255,160 and 375,356
Double scale
Find third proportional to 127,582 and 187,681
Similar ratio
Find third proportional to 191,370 and 281,517
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.