Home / 31,458-47,590

Finding the Third Proportional to 31,458 and 47,590

Calculator

Solution

The third proportional to 31,458 and 47,590 is: 71,994.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,458 : 47,590 = 47,590 : x
  2. Step 2: Convert to fraction form
    31,458/47,590 = 47,590/x
  3. Step 3: Cross multiply
    31,458x = 47,590 × 47,590
  4. Step 4: Simplify right side
    31,458x = 2,264,808,100
  5. Step 5: Solve for x
    x = 2,264,808,100/31,458
  6. Step 6: Final answer
    x = 71,994.66

Related Problems

Find third proportional to 15,729 and 23,795
Half scale
Find third proportional to 62,916 and 95,180
Double scale
Find third proportional to 31,460 and 47,593
Similar ratio
Find third proportional to 47,187 and 71,385
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.