Home / 31,280-47,188

Finding the Third Proportional to 31,280 and 47,188

Calculator

Solution

The third proportional to 31,280 and 47,188 is: 71,186.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,280 : 47,188 = 47,188 : x
  2. Step 2: Convert to fraction form
    31,280/47,188 = 47,188/x
  3. Step 3: Cross multiply
    31,280x = 47,188 × 47,188
  4. Step 4: Simplify right side
    31,280x = 2,226,707,344
  5. Step 5: Solve for x
    x = 2,226,707,344/31,280
  6. Step 6: Final answer
    x = 71,186.30

Related Problems

Find third proportional to 15,640 and 23,594
Half scale
Find third proportional to 62,560 and 94,376
Double scale
Find third proportional to 31,282 and 47,191
Similar ratio
Find third proportional to 46,920 and 70,782
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.