Home / 485,357-712,159

Finding the Third Proportional to 485,357 and 712,159

Calculator

Solution

The third proportional to 485,357 and 712,159 is: 1,044,943.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,357 : 712,159 = 712,159 : x
  2. Step 2: Convert to fraction form
    485,357/712,159 = 712,159/x
  3. Step 3: Cross multiply
    485,357x = 712,159 × 712,159
  4. Step 4: Simplify right side
    485,357x = 507,170,441,281
  5. Step 5: Solve for x
    x = 507,170,441,281/485,357
  6. Step 6: Final answer
    x = 1,044,943.09

Related Problems

Find third proportional to 242,678.50 and 356,079.50
Half scale
Find third proportional to 970,714 and 1,424,318
Double scale
Find third proportional to 485,359 and 712,162
Similar ratio
Find third proportional to 728,035.50 and 1,068,238.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.