Home / 138,136-286,100

Finding the Third Proportional to 138,136 and 286,100

Calculator

Solution

The third proportional to 138,136 and 286,100 is: 592,555.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,136 : 286,100 = 286,100 : x
  2. Step 2: Convert to fraction form
    138,136/286,100 = 286,100/x
  3. Step 3: Cross multiply
    138,136x = 286,100 × 286,100
  4. Step 4: Simplify right side
    138,136x = 81,853,210,000
  5. Step 5: Solve for x
    x = 81,853,210,000/138,136
  6. Step 6: Final answer
    x = 592,555.24

Related Problems

Find third proportional to 69,068 and 143,050
Half scale
Find third proportional to 276,272 and 572,200
Double scale
Find third proportional to 138,138 and 286,104
Similar ratio
Find third proportional to 207,204 and 429,150
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.