Home / 78,654-170,604

Finding the Third Proportional to 78,654 and 170,604

Calculator

Solution

The third proportional to 78,654 and 170,604 is: 370,047.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,654 : 170,604 = 170,604 : x
  2. Step 2: Convert to fraction form
    78,654/170,604 = 170,604/x
  3. Step 3: Cross multiply
    78,654x = 170,604 × 170,604
  4. Step 4: Simplify right side
    78,654x = 29,105,724,816
  5. Step 5: Solve for x
    x = 29,105,724,816/78,654
  6. Step 6: Final answer
    x = 370,047.61

Related Problems

Find third proportional to 39,327 and 85,302
Half scale
Find third proportional to 157,308 and 341,208
Double scale
Find third proportional to 78,656 and 170,608
Similar ratio
Find third proportional to 117,981 and 255,906
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.