Home / 143,659-291,421

Finding the Third Proportional to 143,659 and 291,421

Calculator

Solution

The third proportional to 143,659 and 291,421 is: 591,165.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,659 : 291,421 = 291,421 : x
  2. Step 2: Convert to fraction form
    143,659/291,421 = 291,421/x
  3. Step 3: Cross multiply
    143,659x = 291,421 × 291,421
  4. Step 4: Simplify right side
    143,659x = 84,926,199,241
  5. Step 5: Solve for x
    x = 84,926,199,241/143,659
  6. Step 6: Final answer
    x = 591,165.18

Related Problems

Find third proportional to 71,829.50 and 145,710.50
Half scale
Find third proportional to 287,318 and 582,842
Double scale
Find third proportional to 143,661 and 291,425
Similar ratio
Find third proportional to 215,488.50 and 437,131.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.