Home / 45,385-70,563

Finding the Third Proportional to 45,385 and 70,563

Calculator

Solution

The third proportional to 45,385 and 70,563 is: 109,708.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,385 : 70,563 = 70,563 : x
  2. Step 2: Convert to fraction form
    45,385/70,563 = 70,563/x
  3. Step 3: Cross multiply
    45,385x = 70,563 × 70,563
  4. Step 4: Simplify right side
    45,385x = 4,979,136,969
  5. Step 5: Solve for x
    x = 4,979,136,969/45,385
  6. Step 6: Final answer
    x = 109,708.87

Related Problems

Find third proportional to 22,692.50 and 35,281.50
Half scale
Find third proportional to 90,770 and 141,126
Double scale
Find third proportional to 45,387 and 70,566
Similar ratio
Find third proportional to 68,077.50 and 105,844.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.