Home / 136,964-298,840

Finding the Third Proportional to 136,964 and 298,840

Calculator

Solution

The third proportional to 136,964 and 298,840 is: 652,035.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,964 : 298,840 = 298,840 : x
  2. Step 2: Convert to fraction form
    136,964/298,840 = 298,840/x
  3. Step 3: Cross multiply
    136,964x = 298,840 × 298,840
  4. Step 4: Simplify right side
    136,964x = 89,305,345,600
  5. Step 5: Solve for x
    x = 89,305,345,600/136,964
  6. Step 6: Final answer
    x = 652,035.17

Related Problems

Find third proportional to 68,482 and 149,420
Half scale
Find third proportional to 273,928 and 597,680
Double scale
Find third proportional to 136,966 and 298,844
Similar ratio
Find third proportional to 205,446 and 448,260
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.