Home / 69,472-107,640

Finding the Third Proportional to 69,472 and 107,640

Calculator

Solution

The third proportional to 69,472 and 107,640 is: 166,777.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,472 : 107,640 = 107,640 : x
  2. Step 2: Convert to fraction form
    69,472/107,640 = 107,640/x
  3. Step 3: Cross multiply
    69,472x = 107,640 × 107,640
  4. Step 4: Simplify right side
    69,472x = 11,586,369,600
  5. Step 5: Solve for x
    x = 11,586,369,600/69,472
  6. Step 6: Final answer
    x = 166,777.54

Related Problems

Find third proportional to 34,736 and 53,820
Half scale
Find third proportional to 138,944 and 215,280
Double scale
Find third proportional to 69,474 and 107,643
Similar ratio
Find third proportional to 104,208 and 161,460
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.