Home / 348,552-521,442

Finding the Third Proportional to 348,552 and 521,442

Calculator

Solution

The third proportional to 348,552 and 521,442 is: 780,089.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,552 : 521,442 = 521,442 : x
  2. Step 2: Convert to fraction form
    348,552/521,442 = 521,442/x
  3. Step 3: Cross multiply
    348,552x = 521,442 × 521,442
  4. Step 4: Simplify right side
    348,552x = 271,901,759,364
  5. Step 5: Solve for x
    x = 271,901,759,364/348,552
  6. Step 6: Final answer
    x = 780,089.51

Related Problems

Find third proportional to 174,276 and 260,721
Half scale
Find third proportional to 697,104 and 1,042,884
Double scale
Find third proportional to 348,554 and 521,445
Similar ratio
Find third proportional to 522,828 and 782,163
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.