Home / 252,576-390,123

Finding the Third Proportional to 252,576 and 390,123

Calculator

Solution

The third proportional to 252,576 and 390,123 is: 602,574.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,576 : 390,123 = 390,123 : x
  2. Step 2: Convert to fraction form
    252,576/390,123 = 390,123/x
  3. Step 3: Cross multiply
    252,576x = 390,123 × 390,123
  4. Step 4: Simplify right side
    252,576x = 152,195,955,129
  5. Step 5: Solve for x
    x = 152,195,955,129/252,576
  6. Step 6: Final answer
    x = 602,574.89

Related Problems

Find third proportional to 126,288 and 195,061.50
Half scale
Find third proportional to 505,152 and 780,246
Double scale
Find third proportional to 252,578 and 390,126
Similar ratio
Find third proportional to 378,864 and 585,184.50
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.