Home / 64,976-78,828

Finding the Third Proportional to 64,976 and 78,828

Calculator

Solution

The third proportional to 64,976 and 78,828 is: 95,633.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,976 : 78,828 = 78,828 : x
  2. Step 2: Convert to fraction form
    64,976/78,828 = 78,828/x
  3. Step 3: Cross multiply
    64,976x = 78,828 × 78,828
  4. Step 4: Simplify right side
    64,976x = 6,213,853,584
  5. Step 5: Solve for x
    x = 6,213,853,584/64,976
  6. Step 6: Final answer
    x = 95,633.06

Related Problems

Find third proportional to 32,488 and 39,414
Half scale
Find third proportional to 129,952 and 157,656
Double scale
Find third proportional to 64,978 and 78,830
Similar ratio
Find third proportional to 97,464 and 118,242
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.