Home / 68,384-147,640

Finding the Third Proportional to 68,384 and 147,640

Calculator

Solution

The third proportional to 68,384 and 147,640 is: 318,752.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,384 : 147,640 = 147,640 : x
  2. Step 2: Convert to fraction form
    68,384/147,640 = 147,640/x
  3. Step 3: Cross multiply
    68,384x = 147,640 × 147,640
  4. Step 4: Simplify right side
    68,384x = 21,797,569,600
  5. Step 5: Solve for x
    x = 21,797,569,600/68,384
  6. Step 6: Final answer
    x = 318,752.48

Related Problems

Find third proportional to 34,192 and 73,820
Half scale
Find third proportional to 136,768 and 295,280
Double scale
Find third proportional to 68,386 and 147,644
Similar ratio
Find third proportional to 102,576 and 221,460
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.