Home / 495,511-747,911

Finding the Third Proportional to 495,511 and 747,911

Calculator

Solution

The third proportional to 495,511 and 747,911 is: 1,128,876.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,511 : 747,911 = 747,911 : x
  2. Step 2: Convert to fraction form
    495,511/747,911 = 747,911/x
  3. Step 3: Cross multiply
    495,511x = 747,911 × 747,911
  4. Step 4: Simplify right side
    495,511x = 559,370,863,921
  5. Step 5: Solve for x
    x = 559,370,863,921/495,511
  6. Step 6: Final answer
    x = 1,128,876.78

Related Problems

Find third proportional to 247,755.50 and 373,955.50
Half scale
Find third proportional to 991,022 and 1,495,822
Double scale
Find third proportional to 495,513 and 747,914
Similar ratio
Find third proportional to 743,266.50 and 1,121,866.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.