Home / 386,239-565,532

Finding the Third Proportional to 386,239 and 565,532

Calculator

Solution

The third proportional to 386,239 and 565,532 is: 828,053.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,239 : 565,532 = 565,532 : x
  2. Step 2: Convert to fraction form
    386,239/565,532 = 565,532/x
  3. Step 3: Cross multiply
    386,239x = 565,532 × 565,532
  4. Step 4: Simplify right side
    386,239x = 319,826,443,024
  5. Step 5: Solve for x
    x = 319,826,443,024/386,239
  6. Step 6: Final answer
    x = 828,053.21

Related Problems

Find third proportional to 193,119.50 and 282,766
Half scale
Find third proportional to 772,478 and 1,131,064
Double scale
Find third proportional to 386,241 and 565,535
Similar ratio
Find third proportional to 579,358.50 and 848,298
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.