Home / 31,584-66,444

Finding the Third Proportional to 31,584 and 66,444

Calculator

Solution

The third proportional to 31,584 and 66,444 is: 139,779.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,584 : 66,444 = 66,444 : x
  2. Step 2: Convert to fraction form
    31,584/66,444 = 66,444/x
  3. Step 3: Cross multiply
    31,584x = 66,444 × 66,444
  4. Step 4: Simplify right side
    31,584x = 4,414,805,136
  5. Step 5: Solve for x
    x = 4,414,805,136/31,584
  6. Step 6: Final answer
    x = 139,779.80

Related Problems

Find third proportional to 15,792 and 33,222
Half scale
Find third proportional to 63,168 and 132,888
Double scale
Find third proportional to 31,586 and 66,448
Similar ratio
Find third proportional to 47,376 and 99,666
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.