Home / 61,540-145,190

Finding the Third Proportional to 61,540 and 145,190

Calculator

Solution

The third proportional to 61,540 and 145,190 is: 342,543.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,540 : 145,190 = 145,190 : x
  2. Step 2: Convert to fraction form
    61,540/145,190 = 145,190/x
  3. Step 3: Cross multiply
    61,540x = 145,190 × 145,190
  4. Step 4: Simplify right side
    61,540x = 21,080,136,100
  5. Step 5: Solve for x
    x = 21,080,136,100/61,540
  6. Step 6: Final answer
    x = 342,543.65

Related Problems

Find third proportional to 30,770 and 72,595
Half scale
Find third proportional to 123,080 and 290,380
Double scale
Find third proportional to 61,542 and 145,195
Similar ratio
Find third proportional to 92,310 and 217,785
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.