Home / 130,151-285,205

Finding the Third Proportional to 130,151 and 285,205

Calculator

Solution

The third proportional to 130,151 and 285,205 is: 624,980.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,151 : 285,205 = 285,205 : x
  2. Step 2: Convert to fraction form
    130,151/285,205 = 285,205/x
  3. Step 3: Cross multiply
    130,151x = 285,205 × 285,205
  4. Step 4: Simplify right side
    130,151x = 81,341,892,025
  5. Step 5: Solve for x
    x = 81,341,892,025/130,151
  6. Step 6: Final answer
    x = 624,980.92

Related Problems

Find third proportional to 65,075.50 and 142,602.50
Half scale
Find third proportional to 260,302 and 570,410
Double scale
Find third proportional to 130,153 and 285,209
Similar ratio
Find third proportional to 195,226.50 and 427,807.50
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.