Home / 212,764-315,038

Finding the Third Proportional to 212,764 and 315,038

Calculator

Solution

The third proportional to 212,764 and 315,038 is: 466,474.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,764 : 315,038 = 315,038 : x
  2. Step 2: Convert to fraction form
    212,764/315,038 = 315,038/x
  3. Step 3: Cross multiply
    212,764x = 315,038 × 315,038
  4. Step 4: Simplify right side
    212,764x = 99,248,941,444
  5. Step 5: Solve for x
    x = 99,248,941,444/212,764
  6. Step 6: Final answer
    x = 466,474.32

Related Problems

Find third proportional to 106,382 and 157,519
Half scale
Find third proportional to 425,528 and 630,076
Double scale
Find third proportional to 212,766 and 315,041
Similar ratio
Find third proportional to 319,146 and 472,557
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.