Home / 118,698-178,551

Finding the Third Proportional to 118,698 and 178,551

Calculator

Solution

The third proportional to 118,698 and 178,551 is: 268,584.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,698 : 178,551 = 178,551 : x
  2. Step 2: Convert to fraction form
    118,698/178,551 = 178,551/x
  3. Step 3: Cross multiply
    118,698x = 178,551 × 178,551
  4. Step 4: Simplify right side
    118,698x = 31,880,459,601
  5. Step 5: Solve for x
    x = 31,880,459,601/118,698
  6. Step 6: Final answer
    x = 268,584.64

Related Problems

Find third proportional to 59,349 and 89,275.50
Half scale
Find third proportional to 237,396 and 357,102
Double scale
Find third proportional to 118,700 and 178,554
Similar ratio
Find third proportional to 178,047 and 267,826.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.