Home / 52,261-78,509

Finding the Third Proportional to 52,261 and 78,509

Calculator

Solution

The third proportional to 52,261 and 78,509 is: 117,940.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,261 : 78,509 = 78,509 : x
  2. Step 2: Convert to fraction form
    52,261/78,509 = 78,509/x
  3. Step 3: Cross multiply
    52,261x = 78,509 × 78,509
  4. Step 4: Simplify right side
    52,261x = 6,163,663,081
  5. Step 5: Solve for x
    x = 6,163,663,081/52,261
  6. Step 6: Final answer
    x = 117,940.01

Related Problems

Find third proportional to 26,130.50 and 39,254.50
Half scale
Find third proportional to 104,522 and 157,018
Double scale
Find third proportional to 52,263 and 78,512
Similar ratio
Find third proportional to 78,391.50 and 117,763.50
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.