Home / 140,748-210,864

Finding the Third Proportional to 140,748 and 210,864

Calculator

Solution

The third proportional to 140,748 and 210,864 is: 315,909.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,748 : 210,864 = 210,864 : x
  2. Step 2: Convert to fraction form
    140,748/210,864 = 210,864/x
  3. Step 3: Cross multiply
    140,748x = 210,864 × 210,864
  4. Step 4: Simplify right side
    140,748x = 44,463,626,496
  5. Step 5: Solve for x
    x = 44,463,626,496/140,748
  6. Step 6: Final answer
    x = 315,909.47

Related Problems

Find third proportional to 70,374 and 105,432
Half scale
Find third proportional to 281,496 and 421,728
Double scale
Find third proportional to 140,750 and 210,867
Similar ratio
Find third proportional to 211,122 and 316,296
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.