Home / 7,663,426-12,771,866

Finding the Third Proportional to 7,663,426 and 12,771,866

Calculator

Solution

The third proportional to 7,663,426 and 12,771,866 is: 21,285,592.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,663,426 : 12,771,866 = 12,771,866 : x
  2. Step 2: Convert to fraction form
    7,663,426/12,771,866 = 12,771,866/x
  3. Step 3: Cross multiply
    7,663,426x = 12,771,866 × 12,771,866
  4. Step 4: Simplify right side
    7,663,426x = 163,120,561,121,956
  5. Step 5: Solve for x
    x = 163,120,561,121,956/7,663,426
  6. Step 6: Final answer
    x = 21,285,592.26

Related Problems

Find third proportional to 3,831,713 and 6,385,933
Half scale
Find third proportional to 15,326,852 and 25,543,732
Double scale
Find third proportional to 7,663,428 and 12,771,869
Similar ratio
Find third proportional to 11,495,139 and 19,157,799
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.