Home / 776,349-1,689,385

Finding the Third Proportional to 776,349 and 1,689,385

Calculator

Solution

The third proportional to 776,349 and 1,689,385 is: 3,676,209.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,349 : 1,689,385 = 1,689,385 : x
  2. Step 2: Convert to fraction form
    776,349/1,689,385 = 1,689,385/x
  3. Step 3: Cross multiply
    776,349x = 1,689,385 × 1,689,385
  4. Step 4: Simplify right side
    776,349x = 2,854,021,678,225
  5. Step 5: Solve for x
    x = 2,854,021,678,225/776,349
  6. Step 6: Final answer
    x = 3,676,209.64

Related Problems

Find third proportional to 388,174.50 and 844,692.50
Half scale
Find third proportional to 1,552,698 and 3,378,770
Double scale
Find third proportional to 776,351 and 1,689,389
Similar ratio
Find third proportional to 1,164,523.50 and 2,534,077.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.