Home / 68,275-148,534

Finding the Third Proportional to 68,275 and 148,534

Calculator

Solution

The third proportional to 68,275 and 148,534 is: 323,139.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,275 : 148,534 = 148,534 : x
  2. Step 2: Convert to fraction form
    68,275/148,534 = 148,534/x
  3. Step 3: Cross multiply
    68,275x = 148,534 × 148,534
  4. Step 4: Simplify right side
    68,275x = 22,062,349,156
  5. Step 5: Solve for x
    x = 22,062,349,156/68,275
  6. Step 6: Final answer
    x = 323,139.50

Related Problems

Find third proportional to 34,137.50 and 74,267
Half scale
Find third proportional to 136,550 and 297,068
Double scale
Find third proportional to 68,277 and 148,538
Similar ratio
Find third proportional to 102,412.50 and 222,801
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.