Home / 102,815-153,369

Finding the Third Proportional to 102,815 and 153,369

Calculator

Solution

The third proportional to 102,815 and 153,369 is: 228,780.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,815 : 153,369 = 153,369 : x
  2. Step 2: Convert to fraction form
    102,815/153,369 = 153,369/x
  3. Step 3: Cross multiply
    102,815x = 153,369 × 153,369
  4. Step 4: Simplify right side
    102,815x = 23,522,050,161
  5. Step 5: Solve for x
    x = 23,522,050,161/102,815
  6. Step 6: Final answer
    x = 228,780.34

Related Problems

Find third proportional to 51,407.50 and 76,684.50
Half scale
Find third proportional to 205,630 and 306,738
Double scale
Find third proportional to 102,817 and 153,372
Similar ratio
Find third proportional to 154,222.50 and 230,053.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.