Home / 291,018-448,539

Finding the Third Proportional to 291,018 and 448,539

Calculator

Solution

The third proportional to 291,018 and 448,539 is: 691,322.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,018 : 448,539 = 448,539 : x
  2. Step 2: Convert to fraction form
    291,018/448,539 = 448,539/x
  3. Step 3: Cross multiply
    291,018x = 448,539 × 448,539
  4. Step 4: Simplify right side
    291,018x = 201,187,234,521
  5. Step 5: Solve for x
    x = 201,187,234,521/291,018
  6. Step 6: Final answer
    x = 691,322.30

Related Problems

Find third proportional to 145,509 and 224,269.50
Half scale
Find third proportional to 582,036 and 897,078
Double scale
Find third proportional to 291,020 and 448,542
Similar ratio
Find third proportional to 436,527 and 672,808.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.