Home / 15,730-34,430

Finding the Third Proportional to 15,730 and 34,430

Calculator

Solution

The third proportional to 15,730 and 34,430 is: 75,360.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,730 : 34,430 = 34,430 : x
  2. Step 2: Convert to fraction form
    15,730/34,430 = 34,430/x
  3. Step 3: Cross multiply
    15,730x = 34,430 × 34,430
  4. Step 4: Simplify right side
    15,730x = 1,185,424,900
  5. Step 5: Solve for x
    x = 1,185,424,900/15,730
  6. Step 6: Final answer
    x = 75,360.77

Related Problems

Find third proportional to 7,865 and 17,215
Half scale
Find third proportional to 31,460 and 68,860
Double scale
Find third proportional to 15,732 and 34,434
Similar ratio
Find third proportional to 23,595 and 51,645
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.