Home / 145,220-314,566

Finding the Third Proportional to 145,220 and 314,566

Calculator

Solution

The third proportional to 145,220 and 314,566 is: 681,392.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,220 : 314,566 = 314,566 : x
  2. Step 2: Convert to fraction form
    145,220/314,566 = 314,566/x
  3. Step 3: Cross multiply
    145,220x = 314,566 × 314,566
  4. Step 4: Simplify right side
    145,220x = 98,951,768,356
  5. Step 5: Solve for x
    x = 98,951,768,356/145,220
  6. Step 6: Final answer
    x = 681,392.15

Related Problems

Find third proportional to 72,610 and 157,283
Half scale
Find third proportional to 290,440 and 629,132
Double scale
Find third proportional to 145,222 and 314,570
Similar ratio
Find third proportional to 217,830 and 471,849
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.