Home / 8,705,400-13,725,840

Finding the Third Proportional to 8,705,400 and 13,725,840

Calculator

Solution

The third proportional to 8,705,400 and 13,725,840 is: 21,641,588.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,705,400 : 13,725,840 = 13,725,840 : x
  2. Step 2: Convert to fraction form
    8,705,400/13,725,840 = 13,725,840/x
  3. Step 3: Cross multiply
    8,705,400x = 13,725,840 × 13,725,840
  4. Step 4: Simplify right side
    8,705,400x = 188,398,683,705,600
  5. Step 5: Solve for x
    x = 188,398,683,705,600/8,705,400
  6. Step 6: Final answer
    x = 21,641,588.41

Related Problems

Find third proportional to 4,352,700 and 6,862,920
Half scale
Find third proportional to 17,410,800 and 27,451,680
Double scale
Find third proportional to 8,705,402 and 13,725,843
Similar ratio
Find third proportional to 13,058,100 and 20,588,760
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.