Home / 15,890-34,570

Finding the Third Proportional to 15,890 and 34,570

Calculator

Solution

The third proportional to 15,890 and 34,570 is: 75,209.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,890 : 34,570 = 34,570 : x
  2. Step 2: Convert to fraction form
    15,890/34,570 = 34,570/x
  3. Step 3: Cross multiply
    15,890x = 34,570 × 34,570
  4. Step 4: Simplify right side
    15,890x = 1,195,084,900
  5. Step 5: Solve for x
    x = 1,195,084,900/15,890
  6. Step 6: Final answer
    x = 75,209.87

Related Problems

Find third proportional to 7,945 and 17,285
Half scale
Find third proportional to 31,780 and 69,140
Double scale
Find third proportional to 15,892 and 34,574
Similar ratio
Find third proportional to 23,835 and 51,855
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.