Home / 216,040-316,764

Finding the Third Proportional to 216,040 and 316,764

Calculator

Solution

The third proportional to 216,040 and 316,764 is: 464,448.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,040 : 316,764 = 316,764 : x
  2. Step 2: Convert to fraction form
    216,040/316,764 = 316,764/x
  3. Step 3: Cross multiply
    216,040x = 316,764 × 316,764
  4. Step 4: Simplify right side
    216,040x = 100,339,431,696
  5. Step 5: Solve for x
    x = 100,339,431,696/216,040
  6. Step 6: Final answer
    x = 464,448.40

Related Problems

Find third proportional to 108,020 and 158,382
Half scale
Find third proportional to 432,080 and 633,528
Double scale
Find third proportional to 216,042 and 316,767
Similar ratio
Find third proportional to 324,060 and 475,146
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.