Home / 243,135-379,464

Finding the Third Proportional to 243,135 and 379,464

Calculator

Solution

The third proportional to 243,135 and 379,464 is: 592,234.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,135 : 379,464 = 379,464 : x
  2. Step 2: Convert to fraction form
    243,135/379,464 = 379,464/x
  3. Step 3: Cross multiply
    243,135x = 379,464 × 379,464
  4. Step 4: Simplify right side
    243,135x = 143,992,927,296
  5. Step 5: Solve for x
    x = 143,992,927,296/243,135
  6. Step 6: Final answer
    x = 592,234.47

Related Problems

Find third proportional to 121,567.50 and 189,732
Half scale
Find third proportional to 486,270 and 758,928
Double scale
Find third proportional to 243,137 and 379,467
Similar ratio
Find third proportional to 364,702.50 and 569,196
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.