Home / 66,474-143,383.50

Finding the Third Proportional to 66,474 and 143,383.50

Calculator

Solution

The third proportional to 66,474 and 143,383.50 is: 309,276.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,474 : 143,383.50 = 143,383.50 : x
  2. Step 2: Convert to fraction form
    66,474/143,383.50 = 143,383.50/x
  3. Step 3: Cross multiply
    66,474x = 143,383.50 × 143,383.50
  4. Step 4: Simplify right side
    66,474x = 20,558,828,072.25
  5. Step 5: Solve for x
    x = 20,558,828,072.25/66,474
  6. Step 6: Final answer
    x = 309,276.23

Related Problems

Find third proportional to 33,237 and 71,691.75
Half scale
Find third proportional to 132,948 and 286,767
Double scale
Find third proportional to 66,476 and 143,388
Similar ratio
Find third proportional to 99,711 and 215,075.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.