Home / 137,134-218,982

Finding the Third Proportional to 137,134 and 218,982

Calculator

Solution

The third proportional to 137,134 and 218,982 is: 349,680.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,134 : 218,982 = 218,982 : x
  2. Step 2: Convert to fraction form
    137,134/218,982 = 218,982/x
  3. Step 3: Cross multiply
    137,134x = 218,982 × 218,982
  4. Step 4: Simplify right side
    137,134x = 47,953,116,324
  5. Step 5: Solve for x
    x = 47,953,116,324/137,134
  6. Step 6: Final answer
    x = 349,680.72

Related Problems

Find third proportional to 68,567 and 109,491
Half scale
Find third proportional to 274,268 and 437,964
Double scale
Find third proportional to 137,136 and 218,985
Similar ratio
Find third proportional to 205,701 and 328,473
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.