Home / 145,618-313,590

Finding the Third Proportional to 145,618 and 313,590

Calculator

Solution

The third proportional to 145,618 and 313,590 is: 675,319.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,618 : 313,590 = 313,590 : x
  2. Step 2: Convert to fraction form
    145,618/313,590 = 313,590/x
  3. Step 3: Cross multiply
    145,618x = 313,590 × 313,590
  4. Step 4: Simplify right side
    145,618x = 98,338,688,100
  5. Step 5: Solve for x
    x = 98,338,688,100/145,618
  6. Step 6: Final answer
    x = 675,319.59

Related Problems

Find third proportional to 72,809 and 156,795
Half scale
Find third proportional to 291,236 and 627,180
Double scale
Find third proportional to 145,620 and 313,594
Similar ratio
Find third proportional to 218,427 and 470,385
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.