Home / 15,310-31,598

Finding the Third Proportional to 15,310 and 31,598

Calculator

Solution

The third proportional to 15,310 and 31,598 is: 65,214.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,310 : 31,598 = 31,598 : x
  2. Step 2: Convert to fraction form
    15,310/31,598 = 31,598/x
  3. Step 3: Cross multiply
    15,310x = 31,598 × 31,598
  4. Step 4: Simplify right side
    15,310x = 998,433,604
  5. Step 5: Solve for x
    x = 998,433,604/15,310
  6. Step 6: Final answer
    x = 65,214.47

Related Problems

Find third proportional to 7,655 and 15,799
Half scale
Find third proportional to 30,620 and 63,196
Double scale
Find third proportional to 15,312 and 31,602
Similar ratio
Find third proportional to 22,965 and 47,397
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.