Home / 130,212-282,888

Finding the Third Proportional to 130,212 and 282,888

Calculator

Solution

The third proportional to 130,212 and 282,888 is: 614,579.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,212 : 282,888 = 282,888 : x
  2. Step 2: Convert to fraction form
    130,212/282,888 = 282,888/x
  3. Step 3: Cross multiply
    130,212x = 282,888 × 282,888
  4. Step 4: Simplify right side
    130,212x = 80,025,620,544
  5. Step 5: Solve for x
    x = 80,025,620,544/130,212
  6. Step 6: Final answer
    x = 614,579.46

Related Problems

Find third proportional to 65,106 and 141,444
Half scale
Find third proportional to 260,424 and 565,776
Double scale
Find third proportional to 130,214 and 282,892
Similar ratio
Find third proportional to 195,318 and 424,332
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.