Home / 255,210-380,326.50

Finding the Third Proportional to 255,210 and 380,326.50

Calculator

Solution

The third proportional to 255,210 and 380,326.50 is: 566,781.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,210 : 380,326.50 = 380,326.50 : x
  2. Step 2: Convert to fraction form
    255,210/380,326.50 = 380,326.50/x
  3. Step 3: Cross multiply
    255,210x = 380,326.50 × 380,326.50
  4. Step 4: Simplify right side
    255,210x = 144,648,246,602.25
  5. Step 5: Solve for x
    x = 144,648,246,602.25/255,210
  6. Step 6: Final answer
    x = 566,781.26

Related Problems

Find third proportional to 127,605 and 190,163.25
Half scale
Find third proportional to 510,420 and 760,653
Double scale
Find third proportional to 255,212 and 380,329
Similar ratio
Find third proportional to 382,815 and 570,489.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.