Home / 148,378-320,516

Finding the Third Proportional to 148,378 and 320,516

Calculator

Solution

The third proportional to 148,378 and 320,516 is: 692,356.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,378 : 320,516 = 320,516 : x
  2. Step 2: Convert to fraction form
    148,378/320,516 = 320,516/x
  3. Step 3: Cross multiply
    148,378x = 320,516 × 320,516
  4. Step 4: Simplify right side
    148,378x = 102,730,506,256
  5. Step 5: Solve for x
    x = 102,730,506,256/148,378
  6. Step 6: Final answer
    x = 692,356.73

Related Problems

Find third proportional to 74,189 and 160,258
Half scale
Find third proportional to 296,756 and 641,032
Double scale
Find third proportional to 148,380 and 320,520
Similar ratio
Find third proportional to 222,567 and 480,774
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.