Home / 212,274-288,441

Finding the Third Proportional to 212,274 and 288,441

Calculator

Solution

The third proportional to 212,274 and 288,441 is: 391,937.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,274 : 288,441 = 288,441 : x
  2. Step 2: Convert to fraction form
    212,274/288,441 = 288,441/x
  3. Step 3: Cross multiply
    212,274x = 288,441 × 288,441
  4. Step 4: Simplify right side
    212,274x = 83,198,210,481
  5. Step 5: Solve for x
    x = 83,198,210,481/212,274
  6. Step 6: Final answer
    x = 391,937.83

Related Problems

Find third proportional to 106,137 and 144,220.50
Half scale
Find third proportional to 424,548 and 576,882
Double scale
Find third proportional to 212,276 and 288,444
Similar ratio
Find third proportional to 318,411 and 432,661.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.