Home / 30,656-66,008

Finding the Third Proportional to 30,656 and 66,008

Calculator

Solution

The third proportional to 30,656 and 66,008 is: 142,127.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,656 : 66,008 = 66,008 : x
  2. Step 2: Convert to fraction form
    30,656/66,008 = 66,008/x
  3. Step 3: Cross multiply
    30,656x = 66,008 × 66,008
  4. Step 4: Simplify right side
    30,656x = 4,357,056,064
  5. Step 5: Solve for x
    x = 4,357,056,064/30,656
  6. Step 6: Final answer
    x = 142,127.35

Related Problems

Find third proportional to 15,328 and 33,004
Half scale
Find third proportional to 61,312 and 132,016
Double scale
Find third proportional to 30,658 and 66,012
Similar ratio
Find third proportional to 45,984 and 99,012
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.