Home / 386,257-565,559

Finding the Third Proportional to 386,257 and 565,559

Calculator

Solution

The third proportional to 386,257 and 565,559 is: 828,093.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,257 : 565,559 = 565,559 : x
  2. Step 2: Convert to fraction form
    386,257/565,559 = 565,559/x
  3. Step 3: Cross multiply
    386,257x = 565,559 × 565,559
  4. Step 4: Simplify right side
    386,257x = 319,856,982,481
  5. Step 5: Solve for x
    x = 319,856,982,481/386,257
  6. Step 6: Final answer
    x = 828,093.68

Related Problems

Find third proportional to 193,128.50 and 282,779.50
Half scale
Find third proportional to 772,514 and 1,131,118
Double scale
Find third proportional to 386,259 and 565,562
Similar ratio
Find third proportional to 579,385.50 and 848,338.50
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.