Home / 77,916-166,631

Finding the Third Proportional to 77,916 and 166,631

Calculator

Solution

The third proportional to 77,916 and 166,631 is: 356,356.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,916 : 166,631 = 166,631 : x
  2. Step 2: Convert to fraction form
    77,916/166,631 = 166,631/x
  3. Step 3: Cross multiply
    77,916x = 166,631 × 166,631
  4. Step 4: Simplify right side
    77,916x = 27,765,890,161
  5. Step 5: Solve for x
    x = 27,765,890,161/77,916
  6. Step 6: Final answer
    x = 356,356.72

Related Problems

Find third proportional to 38,958 and 83,315.50
Half scale
Find third proportional to 155,832 and 333,262
Double scale
Find third proportional to 77,918 and 166,635
Similar ratio
Find third proportional to 116,874 and 249,946.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.