Home / 78,338-117,214

Finding the Third Proportional to 78,338 and 117,214

Calculator

Solution

The third proportional to 78,338 and 117,214 is: 175,382.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,338 : 117,214 = 117,214 : x
  2. Step 2: Convert to fraction form
    78,338/117,214 = 117,214/x
  3. Step 3: Cross multiply
    78,338x = 117,214 × 117,214
  4. Step 4: Simplify right side
    78,338x = 13,739,121,796
  5. Step 5: Solve for x
    x = 13,739,121,796/78,338
  6. Step 6: Final answer
    x = 175,382.60

Related Problems

Find third proportional to 39,169 and 58,607
Half scale
Find third proportional to 156,676 and 234,428
Double scale
Find third proportional to 78,340 and 117,217
Similar ratio
Find third proportional to 117,507 and 175,821
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.