Home / 771,215-1,671,138

Finding the Third Proportional to 771,215 and 1,671,138

Calculator

Solution

The third proportional to 771,215 and 1,671,138 is: 3,621,172.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,215 : 1,671,138 = 1,671,138 : x
  2. Step 2: Convert to fraction form
    771,215/1,671,138 = 1,671,138/x
  3. Step 3: Cross multiply
    771,215x = 1,671,138 × 1,671,138
  4. Step 4: Simplify right side
    771,215x = 2,792,702,215,044
  5. Step 5: Solve for x
    x = 2,792,702,215,044/771,215
  6. Step 6: Final answer
    x = 3,621,172.07

Related Problems

Find third proportional to 385,607.50 and 835,569
Half scale
Find third proportional to 1,542,430 and 3,342,276
Double scale
Find third proportional to 771,217 and 1,671,142
Similar ratio
Find third proportional to 1,156,822.50 and 2,506,707
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.