Home / 58,080-86,889

Finding the Third Proportional to 58,080 and 86,889

Calculator

Solution

The third proportional to 58,080 and 86,889 is: 129,987.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,080 : 86,889 = 86,889 : x
  2. Step 2: Convert to fraction form
    58,080/86,889 = 86,889/x
  3. Step 3: Cross multiply
    58,080x = 86,889 × 86,889
  4. Step 4: Simplify right side
    58,080x = 7,549,698,321
  5. Step 5: Solve for x
    x = 7,549,698,321/58,080
  6. Step 6: Final answer
    x = 129,987.92

Related Problems

Find third proportional to 29,040 and 43,444.50
Half scale
Find third proportional to 116,160 and 173,778
Double scale
Find third proportional to 58,082 and 86,892
Similar ratio
Find third proportional to 87,120 and 130,333.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.