Home / 40,970-66,487

Finding the Third Proportional to 40,970 and 66,487

Calculator

Solution

The third proportional to 40,970 and 66,487 is: 107,896.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,970 : 66,487 = 66,487 : x
  2. Step 2: Convert to fraction form
    40,970/66,487 = 66,487/x
  3. Step 3: Cross multiply
    40,970x = 66,487 × 66,487
  4. Step 4: Simplify right side
    40,970x = 4,420,521,169
  5. Step 5: Solve for x
    x = 4,420,521,169/40,970
  6. Step 6: Final answer
    x = 107,896.54

Related Problems

Find third proportional to 20,485 and 33,243.50
Half scale
Find third proportional to 81,940 and 132,974
Double scale
Find third proportional to 40,972 and 66,490
Similar ratio
Find third proportional to 61,455 and 99,730.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.