Home / 197,760-424,320

Finding the Third Proportional to 197,760 and 424,320

Calculator

Solution

The third proportional to 197,760 and 424,320 is: 910,434.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,760 : 424,320 = 424,320 : x
  2. Step 2: Convert to fraction form
    197,760/424,320 = 424,320/x
  3. Step 3: Cross multiply
    197,760x = 424,320 × 424,320
  4. Step 4: Simplify right side
    197,760x = 180,047,462,400
  5. Step 5: Solve for x
    x = 180,047,462,400/197,760
  6. Step 6: Final answer
    x = 910,434.17

Related Problems

Find third proportional to 98,880 and 212,160
Half scale
Find third proportional to 395,520 and 848,640
Double scale
Find third proportional to 197,762 and 424,324
Similar ratio
Find third proportional to 296,640 and 636,480
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.