Home / 78,832-170,780

Finding the Third Proportional to 78,832 and 170,780

Calculator

Solution

The third proportional to 78,832 and 170,780 is: 369,974.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,832 : 170,780 = 170,780 : x
  2. Step 2: Convert to fraction form
    78,832/170,780 = 170,780/x
  3. Step 3: Cross multiply
    78,832x = 170,780 × 170,780
  4. Step 4: Simplify right side
    78,832x = 29,165,808,400
  5. Step 5: Solve for x
    x = 29,165,808,400/78,832
  6. Step 6: Final answer
    x = 369,974.23

Related Problems

Find third proportional to 39,416 and 85,390
Half scale
Find third proportional to 157,664 and 341,560
Double scale
Find third proportional to 78,834 and 170,784
Similar ratio
Find third proportional to 118,248 and 256,170
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.