Home / 240,075-343,089

Finding the Third Proportional to 240,075 and 343,089

Calculator

Solution

The third proportional to 240,075 and 343,089 is: 490,305.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,075 : 343,089 = 343,089 : x
  2. Step 2: Convert to fraction form
    240,075/343,089 = 343,089/x
  3. Step 3: Cross multiply
    240,075x = 343,089 × 343,089
  4. Step 4: Simplify right side
    240,075x = 117,710,061,921
  5. Step 5: Solve for x
    x = 117,710,061,921/240,075
  6. Step 6: Final answer
    x = 490,305.37

Related Problems

Find third proportional to 120,037.50 and 171,544.50
Half scale
Find third proportional to 480,150 and 686,178
Double scale
Find third proportional to 240,077 and 343,092
Similar ratio
Find third proportional to 360,112.50 and 514,633.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.