Home / 131,664-288,330

Finding the Third Proportional to 131,664 and 288,330

Calculator

Solution

The third proportional to 131,664 and 288,330 is: 631,411.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,664 : 288,330 = 288,330 : x
  2. Step 2: Convert to fraction form
    131,664/288,330 = 288,330/x
  3. Step 3: Cross multiply
    131,664x = 288,330 × 288,330
  4. Step 4: Simplify right side
    131,664x = 83,134,188,900
  5. Step 5: Solve for x
    x = 83,134,188,900/131,664
  6. Step 6: Final answer
    x = 631,411.69

Related Problems

Find third proportional to 65,832 and 144,165
Half scale
Find third proportional to 263,328 and 576,660
Double scale
Find third proportional to 131,666 and 288,334
Similar ratio
Find third proportional to 197,496 and 432,495
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.