Home / 546,858-856,128

Finding the Third Proportional to 546,858 and 856,128

Calculator

Solution

The third proportional to 546,858 and 856,128 is: 1,340,302.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,858 : 856,128 = 856,128 : x
  2. Step 2: Convert to fraction form
    546,858/856,128 = 856,128/x
  3. Step 3: Cross multiply
    546,858x = 856,128 × 856,128
  4. Step 4: Simplify right side
    546,858x = 732,955,152,384
  5. Step 5: Solve for x
    x = 732,955,152,384/546,858
  6. Step 6: Final answer
    x = 1,340,302.51

Related Problems

Find third proportional to 273,429 and 428,064
Half scale
Find third proportional to 1,093,716 and 1,712,256
Double scale
Find third proportional to 546,860 and 856,131
Similar ratio
Find third proportional to 820,287 and 1,284,192
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.