Home / 7,878,352-17,137,070

Finding the Third Proportional to 7,878,352 and 17,137,070

Calculator

Solution

The third proportional to 7,878,352 and 17,137,070 is: 37,276,725.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,878,352 : 17,137,070 = 17,137,070 : x
  2. Step 2: Convert to fraction form
    7,878,352/17,137,070 = 17,137,070/x
  3. Step 3: Cross multiply
    7,878,352x = 17,137,070 × 17,137,070
  4. Step 4: Simplify right side
    7,878,352x = 293,679,168,184,900
  5. Step 5: Solve for x
    x = 293,679,168,184,900/7,878,352
  6. Step 6: Final answer
    x = 37,276,725.92

Related Problems

Find third proportional to 3,939,176 and 8,568,535
Half scale
Find third proportional to 15,756,704 and 34,274,140
Double scale
Find third proportional to 7,878,354 and 17,137,074
Similar ratio
Find third proportional to 11,817,528 and 25,705,605
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.