Home / 119,140-261,988

Finding the Third Proportional to 119,140 and 261,988

Calculator

Solution

The third proportional to 119,140 and 261,988 is: 576,109.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,140 : 261,988 = 261,988 : x
  2. Step 2: Convert to fraction form
    119,140/261,988 = 261,988/x
  3. Step 3: Cross multiply
    119,140x = 261,988 × 261,988
  4. Step 4: Simplify right side
    119,140x = 68,637,712,144
  5. Step 5: Solve for x
    x = 68,637,712,144/119,140
  6. Step 6: Final answer
    x = 576,109.72

Related Problems

Find third proportional to 59,570 and 130,994
Half scale
Find third proportional to 238,280 and 523,976
Double scale
Find third proportional to 119,142 and 261,992
Similar ratio
Find third proportional to 178,710 and 392,982
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.