Home / 631,186-887,808

Finding the Third Proportional to 631,186 and 887,808

Calculator

Solution

The third proportional to 631,186 and 887,808 is: 1,248,765.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,186 : 887,808 = 887,808 : x
  2. Step 2: Convert to fraction form
    631,186/887,808 = 887,808/x
  3. Step 3: Cross multiply
    631,186x = 887,808 × 887,808
  4. Step 4: Simplify right side
    631,186x = 788,203,044,864
  5. Step 5: Solve for x
    x = 788,203,044,864/631,186
  6. Step 6: Final answer
    x = 1,248,765.09

Related Problems

Find third proportional to 315,593 and 443,904
Half scale
Find third proportional to 1,262,372 and 1,775,616
Double scale
Find third proportional to 631,188 and 887,811
Similar ratio
Find third proportional to 946,779 and 1,331,712
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.