Home / 148,018-319,670

Finding the Third Proportional to 148,018 and 319,670

Calculator

Solution

The third proportional to 148,018 and 319,670 is: 690,381.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,018 : 319,670 = 319,670 : x
  2. Step 2: Convert to fraction form
    148,018/319,670 = 319,670/x
  3. Step 3: Cross multiply
    148,018x = 319,670 × 319,670
  4. Step 4: Simplify right side
    148,018x = 102,188,908,900
  5. Step 5: Solve for x
    x = 102,188,908,900/148,018
  6. Step 6: Final answer
    x = 690,381.64

Related Problems

Find third proportional to 74,009 and 159,835
Half scale
Find third proportional to 296,036 and 639,340
Double scale
Find third proportional to 148,020 and 319,674
Similar ratio
Find third proportional to 222,027 and 479,505
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.