Home / 210,528-283,680

Finding the Third Proportional to 210,528 and 283,680

Calculator

Solution

The third proportional to 210,528 and 283,680 is: 382,250.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,528 : 283,680 = 283,680 : x
  2. Step 2: Convert to fraction form
    210,528/283,680 = 283,680/x
  3. Step 3: Cross multiply
    210,528x = 283,680 × 283,680
  4. Step 4: Simplify right side
    210,528x = 80,474,342,400
  5. Step 5: Solve for x
    x = 80,474,342,400/210,528
  6. Step 6: Final answer
    x = 382,250.07

Related Problems

Find third proportional to 105,264 and 141,840
Half scale
Find third proportional to 421,056 and 567,360
Double scale
Find third proportional to 210,530 and 283,683
Similar ratio
Find third proportional to 315,792 and 425,520
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.