Home / 242,835-521,349

Finding the Third Proportional to 242,835 and 521,349

Calculator

Solution

The third proportional to 242,835 and 521,349 is: 1,119,298.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,835 : 521,349 = 521,349 : x
  2. Step 2: Convert to fraction form
    242,835/521,349 = 521,349/x
  3. Step 3: Cross multiply
    242,835x = 521,349 × 521,349
  4. Step 4: Simplify right side
    242,835x = 271,804,779,801
  5. Step 5: Solve for x
    x = 271,804,779,801/242,835
  6. Step 6: Final answer
    x = 1,119,298.21

Related Problems

Find third proportional to 121,417.50 and 260,674.50
Half scale
Find third proportional to 485,670 and 1,042,698
Double scale
Find third proportional to 242,837 and 521,353
Similar ratio
Find third proportional to 364,252.50 and 782,023.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.