Home / 187,838-407,518

Finding the Third Proportional to 187,838 and 407,518

Calculator

Solution

The third proportional to 187,838 and 407,518 is: 884,117.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,838 : 407,518 = 407,518 : x
  2. Step 2: Convert to fraction form
    187,838/407,518 = 407,518/x
  3. Step 3: Cross multiply
    187,838x = 407,518 × 407,518
  4. Step 4: Simplify right side
    187,838x = 166,070,920,324
  5. Step 5: Solve for x
    x = 166,070,920,324/187,838
  6. Step 6: Final answer
    x = 884,117.81

Related Problems

Find third proportional to 93,919 and 203,759
Half scale
Find third proportional to 375,676 and 815,036
Double scale
Find third proportional to 187,840 and 407,522
Similar ratio
Find third proportional to 281,757 and 611,277
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.