Home / 154,312-240,489

Finding the Third Proportional to 154,312 and 240,489

Calculator

Solution

The third proportional to 154,312 and 240,489 is: 374,792.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,312 : 240,489 = 240,489 : x
  2. Step 2: Convert to fraction form
    154,312/240,489 = 240,489/x
  3. Step 3: Cross multiply
    154,312x = 240,489 × 240,489
  4. Step 4: Simplify right side
    154,312x = 57,834,959,121
  5. Step 5: Solve for x
    x = 57,834,959,121/154,312
  6. Step 6: Final answer
    x = 374,792.36

Related Problems

Find third proportional to 77,156 and 120,244.50
Half scale
Find third proportional to 308,624 and 480,978
Double scale
Find third proportional to 154,314 and 240,492
Similar ratio
Find third proportional to 231,468 and 360,733.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.