Home / 87,440-187,618

Finding the Third Proportional to 87,440 and 187,618

Calculator

Solution

The third proportional to 87,440 and 187,618 is: 402,567.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,440 : 187,618 = 187,618 : x
  2. Step 2: Convert to fraction form
    87,440/187,618 = 187,618/x
  3. Step 3: Cross multiply
    87,440x = 187,618 × 187,618
  4. Step 4: Simplify right side
    87,440x = 35,200,513,924
  5. Step 5: Solve for x
    x = 35,200,513,924/87,440
  6. Step 6: Final answer
    x = 402,567.63

Related Problems

Find third proportional to 43,720 and 93,809
Half scale
Find third proportional to 174,880 and 375,236
Double scale
Find third proportional to 87,442 and 187,622
Similar ratio
Find third proportional to 131,160 and 281,427
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.