Home / 71,445-155,190

Finding the Third Proportional to 71,445 and 155,190

Calculator

Solution

The third proportional to 71,445 and 155,190 is: 337,097.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,445 : 155,190 = 155,190 : x
  2. Step 2: Convert to fraction form
    71,445/155,190 = 155,190/x
  3. Step 3: Cross multiply
    71,445x = 155,190 × 155,190
  4. Step 4: Simplify right side
    71,445x = 24,083,936,100
  5. Step 5: Solve for x
    x = 24,083,936,100/71,445
  6. Step 6: Final answer
    x = 337,097.57

Related Problems

Find third proportional to 35,722.50 and 77,595
Half scale
Find third proportional to 142,890 and 310,380
Double scale
Find third proportional to 71,447 and 155,194
Similar ratio
Find third proportional to 107,167.50 and 232,785
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.