Home / 328,603-718,030

Finding the Third Proportional to 328,603 and 718,030

Calculator

Solution

The third proportional to 328,603 and 718,030 is: 1,568,966.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,603 : 718,030 = 718,030 : x
  2. Step 2: Convert to fraction form
    328,603/718,030 = 718,030/x
  3. Step 3: Cross multiply
    328,603x = 718,030 × 718,030
  4. Step 4: Simplify right side
    328,603x = 515,567,080,900
  5. Step 5: Solve for x
    x = 515,567,080,900/328,603
  6. Step 6: Final answer
    x = 1,568,966.45

Related Problems

Find third proportional to 164,301.50 and 359,015
Half scale
Find third proportional to 657,206 and 1,436,060
Double scale
Find third proportional to 328,605 and 718,034
Similar ratio
Find third proportional to 492,904.50 and 1,077,045
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.