Home / 243,776-376,720

Finding the Third Proportional to 243,776 and 376,720

Calculator

Solution

The third proportional to 243,776 and 376,720 is: 582,165.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,776 : 376,720 = 376,720 : x
  2. Step 2: Convert to fraction form
    243,776/376,720 = 376,720/x
  3. Step 3: Cross multiply
    243,776x = 376,720 × 376,720
  4. Step 4: Simplify right side
    243,776x = 141,917,958,400
  5. Step 5: Solve for x
    x = 141,917,958,400/243,776
  6. Step 6: Final answer
    x = 582,165.42

Related Problems

Find third proportional to 121,888 and 188,360
Half scale
Find third proportional to 487,552 and 753,440
Double scale
Find third proportional to 243,778 and 376,723
Similar ratio
Find third proportional to 365,664 and 565,080
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.