Home / 99,402-212,838

Finding the Third Proportional to 99,402 and 212,838

Calculator

Solution

The third proportional to 99,402 and 212,838 is: 455,725.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,402 : 212,838 = 212,838 : x
  2. Step 2: Convert to fraction form
    99,402/212,838 = 212,838/x
  3. Step 3: Cross multiply
    99,402x = 212,838 × 212,838
  4. Step 4: Simplify right side
    99,402x = 45,300,014,244
  5. Step 5: Solve for x
    x = 45,300,014,244/99,402
  6. Step 6: Final answer
    x = 455,725.38

Related Problems

Find third proportional to 49,701 and 106,419
Half scale
Find third proportional to 198,804 and 425,676
Double scale
Find third proportional to 99,404 and 212,842
Similar ratio
Find third proportional to 149,103 and 319,257
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.