Home / 130,353-285,618

Finding the Third Proportional to 130,353 and 285,618

Calculator

Solution

The third proportional to 130,353 and 285,618 is: 625,820.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,353 : 285,618 = 285,618 : x
  2. Step 2: Convert to fraction form
    130,353/285,618 = 285,618/x
  3. Step 3: Cross multiply
    130,353x = 285,618 × 285,618
  4. Step 4: Simplify right side
    130,353x = 81,577,641,924
  5. Step 5: Solve for x
    x = 81,577,641,924/130,353
  6. Step 6: Final answer
    x = 625,820.98

Related Problems

Find third proportional to 65,176.50 and 142,809
Half scale
Find third proportional to 260,706 and 571,236
Double scale
Find third proportional to 130,355 and 285,622
Similar ratio
Find third proportional to 195,529.50 and 428,427
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.