Home / 148,980-212,819

Finding the Third Proportional to 148,980 and 212,819

Calculator

Solution

The third proportional to 148,980 and 212,819 is: 304,013.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,980 : 212,819 = 212,819 : x
  2. Step 2: Convert to fraction form
    148,980/212,819 = 212,819/x
  3. Step 3: Cross multiply
    148,980x = 212,819 × 212,819
  4. Step 4: Simplify right side
    148,980x = 45,291,926,761
  5. Step 5: Solve for x
    x = 45,291,926,761/148,980
  6. Step 6: Final answer
    x = 304,013.47

Related Problems

Find third proportional to 74,490 and 106,409.50
Half scale
Find third proportional to 297,960 and 425,638
Double scale
Find third proportional to 148,982 and 212,822
Similar ratio
Find third proportional to 223,470 and 319,228.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.