Home / 57,687-119,970

Finding the Third Proportional to 57,687 and 119,970

Calculator

Solution

The third proportional to 57,687 and 119,970 is: 249,498.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,687 : 119,970 = 119,970 : x
  2. Step 2: Convert to fraction form
    57,687/119,970 = 119,970/x
  3. Step 3: Cross multiply
    57,687x = 119,970 × 119,970
  4. Step 4: Simplify right side
    57,687x = 14,392,800,900
  5. Step 5: Solve for x
    x = 14,392,800,900/57,687
  6. Step 6: Final answer
    x = 249,498.17

Related Problems

Find third proportional to 28,843.50 and 59,985
Half scale
Find third proportional to 115,374 and 239,940
Double scale
Find third proportional to 57,689 and 119,974
Similar ratio
Find third proportional to 86,530.50 and 179,955
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.