Home / 140,670-305,370

Finding the Third Proportional to 140,670 and 305,370

Calculator

Solution

The third proportional to 140,670 and 305,370 is: 662,904.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,670 : 305,370 = 305,370 : x
  2. Step 2: Convert to fraction form
    140,670/305,370 = 305,370/x
  3. Step 3: Cross multiply
    140,670x = 305,370 × 305,370
  4. Step 4: Simplify right side
    140,670x = 93,250,836,900
  5. Step 5: Solve for x
    x = 93,250,836,900/140,670
  6. Step 6: Final answer
    x = 662,904.93

Related Problems

Find third proportional to 70,335 and 152,685
Half scale
Find third proportional to 281,340 and 610,740
Double scale
Find third proportional to 140,672 and 305,374
Similar ratio
Find third proportional to 211,005 and 458,055
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.