Home / 178,330-277,019

Finding the Third Proportional to 178,330 and 277,019

Calculator

Solution

The third proportional to 178,330 and 277,019 is: 430,323.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,330 : 277,019 = 277,019 : x
  2. Step 2: Convert to fraction form
    178,330/277,019 = 277,019/x
  3. Step 3: Cross multiply
    178,330x = 277,019 × 277,019
  4. Step 4: Simplify right side
    178,330x = 76,739,526,361
  5. Step 5: Solve for x
    x = 76,739,526,361/178,330
  6. Step 6: Final answer
    x = 430,323.14

Related Problems

Find third proportional to 89,165 and 138,509.50
Half scale
Find third proportional to 356,660 and 554,038
Double scale
Find third proportional to 178,332 and 277,022
Similar ratio
Find third proportional to 267,495 and 415,528.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.