Home / 127,970-200,729

Finding the Third Proportional to 127,970 and 200,729

Calculator

Solution

The third proportional to 127,970 and 200,729 is: 314,856.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,970 : 200,729 = 200,729 : x
  2. Step 2: Convert to fraction form
    127,970/200,729 = 200,729/x
  3. Step 3: Cross multiply
    127,970x = 200,729 × 200,729
  4. Step 4: Simplify right side
    127,970x = 40,292,131,441
  5. Step 5: Solve for x
    x = 40,292,131,441/127,970
  6. Step 6: Final answer
    x = 314,856.07

Related Problems

Find third proportional to 63,985 and 100,364.50
Half scale
Find third proportional to 255,940 and 401,458
Double scale
Find third proportional to 127,972 and 200,732
Similar ratio
Find third proportional to 191,955 and 301,093.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.