Home / 317,317-660,877

Finding the Third Proportional to 317,317 and 660,877

Calculator

Solution

The third proportional to 317,317 and 660,877 is: 1,376,410.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,317 : 660,877 = 660,877 : x
  2. Step 2: Convert to fraction form
    317,317/660,877 = 660,877/x
  3. Step 3: Cross multiply
    317,317x = 660,877 × 660,877
  4. Step 4: Simplify right side
    317,317x = 436,758,409,129
  5. Step 5: Solve for x
    x = 436,758,409,129/317,317
  6. Step 6: Final answer
    x = 1,376,410.37

Related Problems

Find third proportional to 158,658.50 and 330,438.50
Half scale
Find third proportional to 634,634 and 1,321,754
Double scale
Find third proportional to 317,319 and 660,881
Similar ratio
Find third proportional to 475,975.50 and 991,315.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.