Home / 127,298-187,221

Finding the Third Proportional to 127,298 and 187,221

Calculator

Solution

The third proportional to 127,298 and 187,221 is: 275,351.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,298 : 187,221 = 187,221 : x
  2. Step 2: Convert to fraction form
    127,298/187,221 = 187,221/x
  3. Step 3: Cross multiply
    127,298x = 187,221 × 187,221
  4. Step 4: Simplify right side
    127,298x = 35,051,702,841
  5. Step 5: Solve for x
    x = 35,051,702,841/127,298
  6. Step 6: Final answer
    x = 275,351.56

Related Problems

Find third proportional to 63,649 and 93,610.50
Half scale
Find third proportional to 254,596 and 374,442
Double scale
Find third proportional to 127,300 and 187,224
Similar ratio
Find third proportional to 190,947 and 280,831.50
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.