Home / 357,152-540,336

Finding the Third Proportional to 357,152 and 540,336

Calculator

Solution

The third proportional to 357,152 and 540,336 is: 817,475.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,152 : 540,336 = 540,336 : x
  2. Step 2: Convert to fraction form
    357,152/540,336 = 540,336/x
  3. Step 3: Cross multiply
    357,152x = 540,336 × 540,336
  4. Step 4: Simplify right side
    357,152x = 291,962,992,896
  5. Step 5: Solve for x
    x = 291,962,992,896/357,152
  6. Step 6: Final answer
    x = 817,475.45

Related Problems

Find third proportional to 178,576 and 270,168
Half scale
Find third proportional to 714,304 and 1,080,672
Double scale
Find third proportional to 357,154 and 540,339
Similar ratio
Find third proportional to 535,728 and 810,504
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.