Home / 129,526-279,460

Finding the Third Proportional to 129,526 and 279,460

Calculator

Solution

The third proportional to 129,526 and 279,460 is: 602,951.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,526 : 279,460 = 279,460 : x
  2. Step 2: Convert to fraction form
    129,526/279,460 = 279,460/x
  3. Step 3: Cross multiply
    129,526x = 279,460 × 279,460
  4. Step 4: Simplify right side
    129,526x = 78,097,891,600
  5. Step 5: Solve for x
    x = 78,097,891,600/129,526
  6. Step 6: Final answer
    x = 602,951.47

Related Problems

Find third proportional to 64,763 and 139,730
Half scale
Find third proportional to 259,052 and 558,920
Double scale
Find third proportional to 129,528 and 279,464
Similar ratio
Find third proportional to 194,289 and 419,190
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.