Home / 220,328-297,274

Finding the Third Proportional to 220,328 and 297,274

Calculator

Solution

The third proportional to 220,328 and 297,274 is: 401,092.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,328 : 297,274 = 297,274 : x
  2. Step 2: Convert to fraction form
    220,328/297,274 = 297,274/x
  3. Step 3: Cross multiply
    220,328x = 297,274 × 297,274
  4. Step 4: Simplify right side
    220,328x = 88,371,831,076
  5. Step 5: Solve for x
    x = 88,371,831,076/220,328
  6. Step 6: Final answer
    x = 401,092.15

Related Problems

Find third proportional to 110,164 and 148,637
Half scale
Find third proportional to 440,656 and 594,548
Double scale
Find third proportional to 220,330 and 297,277
Similar ratio
Find third proportional to 330,492 and 445,911
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.