Home / 15,756-34,272

Finding the Third Proportional to 15,756 and 34,272

Calculator

Solution

The third proportional to 15,756 and 34,272 is: 74,547.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,756 : 34,272 = 34,272 : x
  2. Step 2: Convert to fraction form
    15,756/34,272 = 34,272/x
  3. Step 3: Cross multiply
    15,756x = 34,272 × 34,272
  4. Step 4: Simplify right side
    15,756x = 1,174,569,984
  5. Step 5: Solve for x
    x = 1,174,569,984/15,756
  6. Step 6: Final answer
    x = 74,547.47

Related Problems

Find third proportional to 7,878 and 17,136
Half scale
Find third proportional to 31,512 and 68,544
Double scale
Find third proportional to 15,758 and 34,276
Similar ratio
Find third proportional to 23,634 and 51,408
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.