Home / 302,816-657,146

Finding the Third Proportional to 302,816 and 657,146

Calculator

Solution

The third proportional to 302,816 and 657,146 is: 1,426,083.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,816 : 657,146 = 657,146 : x
  2. Step 2: Convert to fraction form
    302,816/657,146 = 657,146/x
  3. Step 3: Cross multiply
    302,816x = 657,146 × 657,146
  4. Step 4: Simplify right side
    302,816x = 431,840,865,316
  5. Step 5: Solve for x
    x = 431,840,865,316/302,816
  6. Step 6: Final answer
    x = 1,426,083.38

Related Problems

Find third proportional to 151,408 and 328,573
Half scale
Find third proportional to 605,632 and 1,314,292
Double scale
Find third proportional to 302,818 and 657,150
Similar ratio
Find third proportional to 454,224 and 985,719
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.