Home / 70,659-85,887

Finding the Third Proportional to 70,659 and 85,887

Calculator

Solution

The third proportional to 70,659 and 85,887 is: 104,396.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,659 : 85,887 = 85,887 : x
  2. Step 2: Convert to fraction form
    70,659/85,887 = 85,887/x
  3. Step 3: Cross multiply
    70,659x = 85,887 × 85,887
  4. Step 4: Simplify right side
    70,659x = 7,376,576,769
  5. Step 5: Solve for x
    x = 7,376,576,769/70,659
  6. Step 6: Final answer
    x = 104,396.85

Related Problems

Find third proportional to 35,329.50 and 42,943.50
Half scale
Find third proportional to 141,318 and 171,774
Double scale
Find third proportional to 70,661 and 85,889
Similar ratio
Find third proportional to 105,988.50 and 128,830.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.