Home / 87,976-207,470

Finding the Third Proportional to 87,976 and 207,470

Calculator

Solution

The third proportional to 87,976 and 207,470 is: 489,267.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,976 : 207,470 = 207,470 : x
  2. Step 2: Convert to fraction form
    87,976/207,470 = 207,470/x
  3. Step 3: Cross multiply
    87,976x = 207,470 × 207,470
  4. Step 4: Simplify right side
    87,976x = 43,043,800,900
  5. Step 5: Solve for x
    x = 43,043,800,900/87,976
  6. Step 6: Final answer
    x = 489,267.54

Related Problems

Find third proportional to 43,988 and 103,735
Half scale
Find third proportional to 175,952 and 414,940
Double scale
Find third proportional to 87,978 and 207,475
Similar ratio
Find third proportional to 131,964 and 311,205
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.