Home / 257,769-565,970

Finding the Third Proportional to 257,769 and 565,970

Calculator

Solution

The third proportional to 257,769 and 565,970 is: 1,242,670.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,769 : 565,970 = 565,970 : x
  2. Step 2: Convert to fraction form
    257,769/565,970 = 565,970/x
  3. Step 3: Cross multiply
    257,769x = 565,970 × 565,970
  4. Step 4: Simplify right side
    257,769x = 320,322,040,900
  5. Step 5: Solve for x
    x = 320,322,040,900/257,769
  6. Step 6: Final answer
    x = 1,242,670.92

Related Problems

Find third proportional to 128,884.50 and 282,985
Half scale
Find third proportional to 515,538 and 1,131,940
Double scale
Find third proportional to 257,771 and 565,974
Similar ratio
Find third proportional to 386,653.50 and 848,955
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.