Home / 78,370-119,397

Finding the Third Proportional to 78,370 and 119,397

Calculator

Solution

The third proportional to 78,370 and 119,397 is: 181,901.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,370 : 119,397 = 119,397 : x
  2. Step 2: Convert to fraction form
    78,370/119,397 = 119,397/x
  3. Step 3: Cross multiply
    78,370x = 119,397 × 119,397
  4. Step 4: Simplify right side
    78,370x = 14,255,643,609
  5. Step 5: Solve for x
    x = 14,255,643,609/78,370
  6. Step 6: Final answer
    x = 181,901.79

Related Problems

Find third proportional to 39,185 and 59,698.50
Half scale
Find third proportional to 156,740 and 238,794
Double scale
Find third proportional to 78,372 and 119,400
Similar ratio
Find third proportional to 117,555 and 179,095.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.