Home / 155,363-239,913

Finding the Third Proportional to 155,363 and 239,913

Calculator

Solution

The third proportional to 155,363 and 239,913 is: 370,475.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,363 : 239,913 = 239,913 : x
  2. Step 2: Convert to fraction form
    155,363/239,913 = 239,913/x
  3. Step 3: Cross multiply
    155,363x = 239,913 × 239,913
  4. Step 4: Simplify right side
    155,363x = 57,558,247,569
  5. Step 5: Solve for x
    x = 57,558,247,569/155,363
  6. Step 6: Final answer
    x = 370,475.90

Related Problems

Find third proportional to 77,681.50 and 119,956.50
Half scale
Find third proportional to 310,726 and 479,826
Double scale
Find third proportional to 155,365 and 239,916
Similar ratio
Find third proportional to 233,044.50 and 359,869.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.