Home / 8,969-9,887

Finding the Third Proportional to 8,969 and 9,887

Calculator

Solution

The third proportional to 8,969 and 9,887 is: 10,898.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,969 : 9,887 = 9,887 : x
  2. Step 2: Convert to fraction form
    8,969/9,887 = 9,887/x
  3. Step 3: Cross multiply
    8,969x = 9,887 × 9,887
  4. Step 4: Simplify right side
    8,969x = 97,752,769
  5. Step 5: Solve for x
    x = 97,752,769/8,969
  6. Step 6: Final answer
    x = 10,898.96

Related Problems

Find third proportional to 4,484.50 and 4,943.50
Half scale
Find third proportional to 17,938 and 19,774
Double scale
Find third proportional to 8,971 and 9,889
Similar ratio
Find third proportional to 13,453.50 and 14,830.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.