Home / 143,317-303,708

Finding the Third Proportional to 143,317 and 303,708

Calculator

Solution

The third proportional to 143,317 and 303,708 is: 643,598.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,317 : 303,708 = 303,708 : x
  2. Step 2: Convert to fraction form
    143,317/303,708 = 303,708/x
  3. Step 3: Cross multiply
    143,317x = 303,708 × 303,708
  4. Step 4: Simplify right side
    143,317x = 92,238,549,264
  5. Step 5: Solve for x
    x = 92,238,549,264/143,317
  6. Step 6: Final answer
    x = 643,598.10

Related Problems

Find third proportional to 71,658.50 and 151,854
Half scale
Find third proportional to 286,634 and 607,416
Double scale
Find third proportional to 143,319 and 303,712
Similar ratio
Find third proportional to 214,975.50 and 455,562
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.