Home / 127,859-198,516

Finding the Third Proportional to 127,859 and 198,516

Calculator

Solution

The third proportional to 127,859 and 198,516 is: 308,219.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,859 : 198,516 = 198,516 : x
  2. Step 2: Convert to fraction form
    127,859/198,516 = 198,516/x
  3. Step 3: Cross multiply
    127,859x = 198,516 × 198,516
  4. Step 4: Simplify right side
    127,859x = 39,408,602,256
  5. Step 5: Solve for x
    x = 39,408,602,256/127,859
  6. Step 6: Final answer
    x = 308,219.23

Related Problems

Find third proportional to 63,929.50 and 99,258
Half scale
Find third proportional to 255,718 and 397,032
Double scale
Find third proportional to 127,861 and 198,519
Similar ratio
Find third proportional to 191,788.50 and 297,774
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.