Home / 207,154-319,888

Finding the Third Proportional to 207,154 and 319,888

Calculator

Solution

The third proportional to 207,154 and 319,888 is: 493,972.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,154 : 319,888 = 319,888 : x
  2. Step 2: Convert to fraction form
    207,154/319,888 = 319,888/x
  3. Step 3: Cross multiply
    207,154x = 319,888 × 319,888
  4. Step 4: Simplify right side
    207,154x = 102,328,332,544
  5. Step 5: Solve for x
    x = 102,328,332,544/207,154
  6. Step 6: Final answer
    x = 493,972.27

Related Problems

Find third proportional to 103,577 and 159,944
Half scale
Find third proportional to 414,308 and 639,776
Double scale
Find third proportional to 207,156 and 319,891
Similar ratio
Find third proportional to 310,731 and 479,832
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.