Home / 257,272-366,988

Finding the Third Proportional to 257,272 and 366,988

Calculator

Solution

The third proportional to 257,272 and 366,988 is: 523,493.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,272 : 366,988 = 366,988 : x
  2. Step 2: Convert to fraction form
    257,272/366,988 = 366,988/x
  3. Step 3: Cross multiply
    257,272x = 366,988 × 366,988
  4. Step 4: Simplify right side
    257,272x = 134,680,192,144
  5. Step 5: Solve for x
    x = 134,680,192,144/257,272
  6. Step 6: Final answer
    x = 523,493.39

Related Problems

Find third proportional to 128,636 and 183,494
Half scale
Find third proportional to 514,544 and 733,976
Double scale
Find third proportional to 257,274 and 366,991
Similar ratio
Find third proportional to 385,908 and 550,482
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.