Home / 76,316-154,788

Finding the Third Proportional to 76,316 and 154,788

Calculator

Solution

The third proportional to 76,316 and 154,788 is: 313,948.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,316 : 154,788 = 154,788 : x
  2. Step 2: Convert to fraction form
    76,316/154,788 = 154,788/x
  3. Step 3: Cross multiply
    76,316x = 154,788 × 154,788
  4. Step 4: Simplify right side
    76,316x = 23,959,324,944
  5. Step 5: Solve for x
    x = 23,959,324,944/76,316
  6. Step 6: Final answer
    x = 313,948.91

Related Problems

Find third proportional to 38,158 and 77,394
Half scale
Find third proportional to 152,632 and 309,576
Double scale
Find third proportional to 76,318 and 154,792
Similar ratio
Find third proportional to 114,474 and 232,182
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.