Home / 339,136-716,072

Finding the Third Proportional to 339,136 and 716,072

Calculator

Solution

The third proportional to 339,136 and 716,072 is: 1,511,957.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,136 : 716,072 = 716,072 : x
  2. Step 2: Convert to fraction form
    339,136/716,072 = 716,072/x
  3. Step 3: Cross multiply
    339,136x = 716,072 × 716,072
  4. Step 4: Simplify right side
    339,136x = 512,759,109,184
  5. Step 5: Solve for x
    x = 512,759,109,184/339,136
  6. Step 6: Final answer
    x = 1,511,957.18

Related Problems

Find third proportional to 169,568 and 358,036
Half scale
Find third proportional to 678,272 and 1,432,144
Double scale
Find third proportional to 339,138 and 716,076
Similar ratio
Find third proportional to 508,704 and 1,074,108
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.