Home / 143,192-282,769

Finding the Third Proportional to 143,192 and 282,769

Calculator

Solution

The third proportional to 143,192 and 282,769 is: 558,399.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,192 : 282,769 = 282,769 : x
  2. Step 2: Convert to fraction form
    143,192/282,769 = 282,769/x
  3. Step 3: Cross multiply
    143,192x = 282,769 × 282,769
  4. Step 4: Simplify right side
    143,192x = 79,958,307,361
  5. Step 5: Solve for x
    x = 79,958,307,361/143,192
  6. Step 6: Final answer
    x = 558,399.26

Related Problems

Find third proportional to 71,596 and 141,384.50
Half scale
Find third proportional to 286,384 and 565,538
Double scale
Find third proportional to 143,194 and 282,773
Similar ratio
Find third proportional to 214,788 and 424,153.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.