Home / 342,720-527,136

Finding the Third Proportional to 342,720 and 527,136

Calculator

Solution

The third proportional to 342,720 and 527,136 is: 810,785.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,720 : 527,136 = 527,136 : x
  2. Step 2: Convert to fraction form
    342,720/527,136 = 527,136/x
  3. Step 3: Cross multiply
    342,720x = 527,136 × 527,136
  4. Step 4: Simplify right side
    342,720x = 277,872,362,496
  5. Step 5: Solve for x
    x = 277,872,362,496/342,720
  6. Step 6: Final answer
    x = 810,785.37

Related Problems

Find third proportional to 171,360 and 263,568
Half scale
Find third proportional to 685,440 and 1,054,272
Double scale
Find third proportional to 342,722 and 527,139
Similar ratio
Find third proportional to 514,080 and 790,704
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.