Home / 135,640-294,632

Finding the Third Proportional to 135,640 and 294,632

Calculator

Solution

The third proportional to 135,640 and 294,632 is: 639,988.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,640 : 294,632 = 294,632 : x
  2. Step 2: Convert to fraction form
    135,640/294,632 = 294,632/x
  3. Step 3: Cross multiply
    135,640x = 294,632 × 294,632
  4. Step 4: Simplify right side
    135,640x = 86,808,015,424
  5. Step 5: Solve for x
    x = 86,808,015,424/135,640
  6. Step 6: Final answer
    x = 639,988.32

Related Problems

Find third proportional to 67,820 and 147,316
Half scale
Find third proportional to 271,280 and 589,264
Double scale
Find third proportional to 135,642 and 294,636
Similar ratio
Find third proportional to 203,460 and 441,948
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.