Home / 212,984-323,364

Finding the Third Proportional to 212,984 and 323,364

Calculator

Solution

The third proportional to 212,984 and 323,364 is: 490,948.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,984 : 323,364 = 323,364 : x
  2. Step 2: Convert to fraction form
    212,984/323,364 = 323,364/x
  3. Step 3: Cross multiply
    212,984x = 323,364 × 323,364
  4. Step 4: Simplify right side
    212,984x = 104,564,276,496
  5. Step 5: Solve for x
    x = 104,564,276,496/212,984
  6. Step 6: Final answer
    x = 490,948.98

Related Problems

Find third proportional to 106,492 and 161,682
Half scale
Find third proportional to 425,968 and 646,728
Double scale
Find third proportional to 212,986 and 323,367
Similar ratio
Find third proportional to 319,476 and 485,046
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.