Home / 9,686,988-21,076,421

Finding the Third Proportional to 9,686,988 and 21,076,421

Calculator

Solution

The third proportional to 9,686,988 and 21,076,421 is: 45,856,929.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,686,988 : 21,076,421 = 21,076,421 : x
  2. Step 2: Convert to fraction form
    9,686,988/21,076,421 = 21,076,421/x
  3. Step 3: Cross multiply
    9,686,988x = 21,076,421 × 21,076,421
  4. Step 4: Simplify right side
    9,686,988x = 444,215,522,169,241
  5. Step 5: Solve for x
    x = 444,215,522,169,241/9,686,988
  6. Step 6: Final answer
    x = 45,856,929.13

Related Problems

Find third proportional to 4,843,494 and 10,538,210.50
Half scale
Find third proportional to 19,373,976 and 42,152,842
Double scale
Find third proportional to 9,686,990 and 21,076,425
Similar ratio
Find third proportional to 14,530,482 and 31,614,631.50
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.