Home / 68,715-147,798

Finding the Third Proportional to 68,715 and 147,798

Calculator

Solution

The third proportional to 68,715 and 147,798 is: 317,896.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,715 : 147,798 = 147,798 : x
  2. Step 2: Convert to fraction form
    68,715/147,798 = 147,798/x
  3. Step 3: Cross multiply
    68,715x = 147,798 × 147,798
  4. Step 4: Simplify right side
    68,715x = 21,844,248,804
  5. Step 5: Solve for x
    x = 21,844,248,804/68,715
  6. Step 6: Final answer
    x = 317,896.37

Related Problems

Find third proportional to 34,357.50 and 73,899
Half scale
Find third proportional to 137,430 and 295,596
Double scale
Find third proportional to 68,717 and 147,802
Similar ratio
Find third proportional to 103,072.50 and 221,697
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.