Home / 270,560-420,576

Finding the Third Proportional to 270,560 and 420,576

Calculator

Solution

The third proportional to 270,560 and 420,576 is: 653,770.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,560 : 420,576 = 420,576 : x
  2. Step 2: Convert to fraction form
    270,560/420,576 = 420,576/x
  3. Step 3: Cross multiply
    270,560x = 420,576 × 420,576
  4. Step 4: Simplify right side
    270,560x = 176,884,171,776
  5. Step 5: Solve for x
    x = 176,884,171,776/270,560
  6. Step 6: Final answer
    x = 653,770.59

Related Problems

Find third proportional to 135,280 and 210,288
Half scale
Find third proportional to 541,120 and 841,152
Double scale
Find third proportional to 270,562 and 420,579
Similar ratio
Find third proportional to 405,840 and 630,864
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.