Home / 81,766-176,656

Finding the Third Proportional to 81,766 and 176,656

Calculator

Solution

The third proportional to 81,766 and 176,656 is: 381,666.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,766 : 176,656 = 176,656 : x
  2. Step 2: Convert to fraction form
    81,766/176,656 = 176,656/x
  3. Step 3: Cross multiply
    81,766x = 176,656 × 176,656
  4. Step 4: Simplify right side
    81,766x = 31,207,342,336
  5. Step 5: Solve for x
    x = 31,207,342,336/81,766
  6. Step 6: Final answer
    x = 381,666.49

Related Problems

Find third proportional to 40,883 and 88,328
Half scale
Find third proportional to 163,532 and 353,312
Double scale
Find third proportional to 81,768 and 176,660
Similar ratio
Find third proportional to 122,649 and 264,984
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.