Home / 145,116-212,706

Finding the Third Proportional to 145,116 and 212,706

Calculator

Solution

The third proportional to 145,116 and 212,706 is: 311,777.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,116 : 212,706 = 212,706 : x
  2. Step 2: Convert to fraction form
    145,116/212,706 = 212,706/x
  3. Step 3: Cross multiply
    145,116x = 212,706 × 212,706
  4. Step 4: Simplify right side
    145,116x = 45,243,842,436
  5. Step 5: Solve for x
    x = 45,243,842,436/145,116
  6. Step 6: Final answer
    x = 311,777.08

Related Problems

Find third proportional to 72,558 and 106,353
Half scale
Find third proportional to 290,232 and 425,412
Double scale
Find third proportional to 145,118 and 212,709
Similar ratio
Find third proportional to 217,674 and 319,059
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.