Home / 163,780-357,512

Finding the Third Proportional to 163,780 and 357,512

Calculator

Solution

The third proportional to 163,780 and 357,512 is: 780,405.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,780 : 357,512 = 357,512 : x
  2. Step 2: Convert to fraction form
    163,780/357,512 = 357,512/x
  3. Step 3: Cross multiply
    163,780x = 357,512 × 357,512
  4. Step 4: Simplify right side
    163,780x = 127,814,830,144
  5. Step 5: Solve for x
    x = 127,814,830,144/163,780
  6. Step 6: Final answer
    x = 780,405.61

Related Problems

Find third proportional to 81,890 and 178,756
Half scale
Find third proportional to 327,560 and 715,024
Double scale
Find third proportional to 163,782 and 357,516
Similar ratio
Find third proportional to 245,670 and 536,268
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.