Home / 87,482-209,957

Finding the Third Proportional to 87,482 and 209,957

Calculator

Solution

The third proportional to 87,482 and 209,957 is: 503,897.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,482 : 209,957 = 209,957 : x
  2. Step 2: Convert to fraction form
    87,482/209,957 = 209,957/x
  3. Step 3: Cross multiply
    87,482x = 209,957 × 209,957
  4. Step 4: Simplify right side
    87,482x = 44,081,941,849
  5. Step 5: Solve for x
    x = 44,081,941,849/87,482
  6. Step 6: Final answer
    x = 503,897.28

Related Problems

Find third proportional to 43,741 and 104,978.50
Half scale
Find third proportional to 174,964 and 419,914
Double scale
Find third proportional to 87,484 and 209,962
Similar ratio
Find third proportional to 131,223 and 314,935.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.