Home / 45,390-63,487

Finding the Third Proportional to 45,390 and 63,487

Calculator

Solution

The third proportional to 45,390 and 63,487 is: 88,799.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,390 : 63,487 = 63,487 : x
  2. Step 2: Convert to fraction form
    45,390/63,487 = 63,487/x
  3. Step 3: Cross multiply
    45,390x = 63,487 × 63,487
  4. Step 4: Simplify right side
    45,390x = 4,030,599,169
  5. Step 5: Solve for x
    x = 4,030,599,169/45,390
  6. Step 6: Final answer
    x = 88,799.28

Related Problems

Find third proportional to 22,695 and 31,743.50
Half scale
Find third proportional to 90,780 and 126,974
Double scale
Find third proportional to 45,392 and 63,490
Similar ratio
Find third proportional to 68,085 and 95,230.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.