Home / 145,940-238,278

Finding the Third Proportional to 145,940 and 238,278

Calculator

Solution

The third proportional to 145,940 and 238,278 is: 389,039.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,940 : 238,278 = 238,278 : x
  2. Step 2: Convert to fraction form
    145,940/238,278 = 238,278/x
  3. Step 3: Cross multiply
    145,940x = 238,278 × 238,278
  4. Step 4: Simplify right side
    145,940x = 56,776,405,284
  5. Step 5: Solve for x
    x = 56,776,405,284/145,940
  6. Step 6: Final answer
    x = 389,039.37

Related Problems

Find third proportional to 72,970 and 119,139
Half scale
Find third proportional to 291,880 and 476,556
Double scale
Find third proportional to 145,942 and 238,281
Similar ratio
Find third proportional to 218,910 and 357,417
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.