Home / 112,979-243,453

Finding the Third Proportional to 112,979 and 243,453

Calculator

Solution

The third proportional to 112,979 and 243,453 is: 524,605.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,979 : 243,453 = 243,453 : x
  2. Step 2: Convert to fraction form
    112,979/243,453 = 243,453/x
  3. Step 3: Cross multiply
    112,979x = 243,453 × 243,453
  4. Step 4: Simplify right side
    112,979x = 59,269,363,209
  5. Step 5: Solve for x
    x = 59,269,363,209/112,979
  6. Step 6: Final answer
    x = 524,605.13

Related Problems

Find third proportional to 56,489.50 and 121,726.50
Half scale
Find third proportional to 225,958 and 486,906
Double scale
Find third proportional to 112,981 and 243,457
Similar ratio
Find third proportional to 169,468.50 and 365,179.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.