Home / 145,276-314,678

Finding the Third Proportional to 145,276 and 314,678

Calculator

Solution

The third proportional to 145,276 and 314,678 is: 681,614.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,276 : 314,678 = 314,678 : x
  2. Step 2: Convert to fraction form
    145,276/314,678 = 314,678/x
  3. Step 3: Cross multiply
    145,276x = 314,678 × 314,678
  4. Step 4: Simplify right side
    145,276x = 99,022,243,684
  5. Step 5: Solve for x
    x = 99,022,243,684/145,276
  6. Step 6: Final answer
    x = 681,614.61

Related Problems

Find third proportional to 72,638 and 157,339
Half scale
Find third proportional to 290,552 and 629,356
Double scale
Find third proportional to 145,278 and 314,682
Similar ratio
Find third proportional to 217,914 and 472,017
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.