Home / 7,878,392-17,137,138

Finding the Third Proportional to 7,878,392 and 17,137,138

Calculator

Solution

The third proportional to 7,878,392 and 17,137,138 is: 37,276,832.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,878,392 : 17,137,138 = 17,137,138 : x
  2. Step 2: Convert to fraction form
    7,878,392/17,137,138 = 17,137,138/x
  3. Step 3: Cross multiply
    7,878,392x = 17,137,138 × 17,137,138
  4. Step 4: Simplify right side
    7,878,392x = 293,681,498,831,044
  5. Step 5: Solve for x
    x = 293,681,498,831,044/7,878,392
  6. Step 6: Final answer
    x = 37,276,832.48

Related Problems

Find third proportional to 3,939,196 and 8,568,569
Half scale
Find third proportional to 15,756,784 and 34,274,276
Double scale
Find third proportional to 7,878,394 and 17,137,142
Similar ratio
Find third proportional to 11,817,588 and 25,705,707
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.