Home / 69,479-146,614

Finding the Third Proportional to 69,479 and 146,614

Calculator

Solution

The third proportional to 69,479 and 146,614 is: 309,383.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,479 : 146,614 = 146,614 : x
  2. Step 2: Convert to fraction form
    69,479/146,614 = 146,614/x
  3. Step 3: Cross multiply
    69,479x = 146,614 × 146,614
  4. Step 4: Simplify right side
    69,479x = 21,495,664,996
  5. Step 5: Solve for x
    x = 21,495,664,996/69,479
  6. Step 6: Final answer
    x = 309,383.63

Related Problems

Find third proportional to 34,739.50 and 73,307
Half scale
Find third proportional to 138,958 and 293,228
Double scale
Find third proportional to 69,481 and 146,618
Similar ratio
Find third proportional to 104,218.50 and 219,921
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.