Home / 432,576-672,138

Finding the Third Proportional to 432,576 and 672,138

Calculator

Solution

The third proportional to 432,576 and 672,138 is: 1,044,370.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,576 : 672,138 = 672,138 : x
  2. Step 2: Convert to fraction form
    432,576/672,138 = 672,138/x
  3. Step 3: Cross multiply
    432,576x = 672,138 × 672,138
  4. Step 4: Simplify right side
    432,576x = 451,769,491,044
  5. Step 5: Solve for x
    x = 451,769,491,044/432,576
  6. Step 6: Final answer
    x = 1,044,370.22

Related Problems

Find third proportional to 216,288 and 336,069
Half scale
Find third proportional to 865,152 and 1,344,276
Double scale
Find third proportional to 432,578 and 672,141
Similar ratio
Find third proportional to 648,864 and 1,008,207
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.