Home / 69,382-103,791

Finding the Third Proportional to 69,382 and 103,791

Calculator

Solution

The third proportional to 69,382 and 103,791 is: 155,264.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,382 : 103,791 = 103,791 : x
  2. Step 2: Convert to fraction form
    69,382/103,791 = 103,791/x
  3. Step 3: Cross multiply
    69,382x = 103,791 × 103,791
  4. Step 4: Simplify right side
    69,382x = 10,772,571,681
  5. Step 5: Solve for x
    x = 10,772,571,681/69,382
  6. Step 6: Final answer
    x = 155,264.65

Related Problems

Find third proportional to 34,691 and 51,895.50
Half scale
Find third proportional to 138,764 and 207,582
Double scale
Find third proportional to 69,384 and 103,794
Similar ratio
Find third proportional to 104,073 and 155,686.50
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.