Home / 97,200-212,688

Finding the Third Proportional to 97,200 and 212,688

Calculator

Solution

The third proportional to 97,200 and 212,688 is: 465,392.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,200 : 212,688 = 212,688 : x
  2. Step 2: Convert to fraction form
    97,200/212,688 = 212,688/x
  3. Step 3: Cross multiply
    97,200x = 212,688 × 212,688
  4. Step 4: Simplify right side
    97,200x = 45,236,185,344
  5. Step 5: Solve for x
    x = 45,236,185,344/97,200
  6. Step 6: Final answer
    x = 465,392.85

Related Problems

Find third proportional to 48,600 and 106,344
Half scale
Find third proportional to 194,400 and 425,376
Double scale
Find third proportional to 97,202 and 212,692
Similar ratio
Find third proportional to 145,800 and 319,032
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.