Home / 134,480-289,708

Finding the Third Proportional to 134,480 and 289,708

Calculator

Solution

The third proportional to 134,480 and 289,708 is: 624,113.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,480 : 289,708 = 289,708 : x
  2. Step 2: Convert to fraction form
    134,480/289,708 = 289,708/x
  3. Step 3: Cross multiply
    134,480x = 289,708 × 289,708
  4. Step 4: Simplify right side
    134,480x = 83,930,725,264
  5. Step 5: Solve for x
    x = 83,930,725,264/134,480
  6. Step 6: Final answer
    x = 624,113.07

Related Problems

Find third proportional to 67,240 and 144,854
Half scale
Find third proportional to 268,960 and 579,416
Double scale
Find third proportional to 134,482 and 289,712
Similar ratio
Find third proportional to 201,720 and 434,562
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.