Home / 354,750-521,751

Finding the Third Proportional to 354,750 and 521,751

Calculator

Solution

The third proportional to 354,750 and 521,751 is: 767,368.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,750 : 521,751 = 521,751 : x
  2. Step 2: Convert to fraction form
    354,750/521,751 = 521,751/x
  3. Step 3: Cross multiply
    354,750x = 521,751 × 521,751
  4. Step 4: Simplify right side
    354,750x = 272,224,106,001
  5. Step 5: Solve for x
    x = 272,224,106,001/354,750
  6. Step 6: Final answer
    x = 767,368.87

Related Problems

Find third proportional to 177,375 and 260,875.50
Half scale
Find third proportional to 709,500 and 1,043,502
Double scale
Find third proportional to 354,752 and 521,754
Similar ratio
Find third proportional to 532,125 and 782,626.50
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.