Home / 78,412-117,796

Finding the Third Proportional to 78,412 and 117,796

Calculator

Solution

The third proportional to 78,412 and 117,796 is: 176,961.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,412 : 117,796 = 117,796 : x
  2. Step 2: Convert to fraction form
    78,412/117,796 = 117,796/x
  3. Step 3: Cross multiply
    78,412x = 117,796 × 117,796
  4. Step 4: Simplify right side
    78,412x = 13,875,897,616
  5. Step 5: Solve for x
    x = 13,875,897,616/78,412
  6. Step 6: Final answer
    x = 176,961.40

Related Problems

Find third proportional to 39,206 and 58,898
Half scale
Find third proportional to 156,824 and 235,592
Double scale
Find third proportional to 78,414 and 117,799
Similar ratio
Find third proportional to 117,618 and 176,694
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.