Home / 119,463-257,430

Finding the Third Proportional to 119,463 and 257,430

Calculator

Solution

The third proportional to 119,463 and 257,430 is: 554,734.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,463 : 257,430 = 257,430 : x
  2. Step 2: Convert to fraction form
    119,463/257,430 = 257,430/x
  3. Step 3: Cross multiply
    119,463x = 257,430 × 257,430
  4. Step 4: Simplify right side
    119,463x = 66,270,204,900
  5. Step 5: Solve for x
    x = 66,270,204,900/119,463
  6. Step 6: Final answer
    x = 554,734.14

Related Problems

Find third proportional to 59,731.50 and 128,715
Half scale
Find third proportional to 238,926 and 514,860
Double scale
Find third proportional to 119,465 and 257,434
Similar ratio
Find third proportional to 179,194.50 and 386,145
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.