Home / 69,440-149,426

Finding the Third Proportional to 69,440 and 149,426

Calculator

Solution

The third proportional to 69,440 and 149,426 is: 321,545.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,440 : 149,426 = 149,426 : x
  2. Step 2: Convert to fraction form
    69,440/149,426 = 149,426/x
  3. Step 3: Cross multiply
    69,440x = 149,426 × 149,426
  4. Step 4: Simplify right side
    69,440x = 22,328,129,476
  5. Step 5: Solve for x
    x = 22,328,129,476/69,440
  6. Step 6: Final answer
    x = 321,545.64

Related Problems

Find third proportional to 34,720 and 74,713
Half scale
Find third proportional to 138,880 and 298,852
Double scale
Find third proportional to 69,442 and 149,430
Similar ratio
Find third proportional to 104,160 and 224,139
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.