Home / 146,840-321,808

Finding the Third Proportional to 146,840 and 321,808

Calculator

Solution

The third proportional to 146,840 and 321,808 is: 705,260.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,840 : 321,808 = 321,808 : x
  2. Step 2: Convert to fraction form
    146,840/321,808 = 321,808/x
  3. Step 3: Cross multiply
    146,840x = 321,808 × 321,808
  4. Step 4: Simplify right side
    146,840x = 103,560,388,864
  5. Step 5: Solve for x
    x = 103,560,388,864/146,840
  6. Step 6: Final answer
    x = 705,260.07

Related Problems

Find third proportional to 73,420 and 160,904
Half scale
Find third proportional to 293,680 and 643,616
Double scale
Find third proportional to 146,842 and 321,812
Similar ratio
Find third proportional to 220,260 and 482,712
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.