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Finding the Third Proportional to 55,361,264 and 129,348,899

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Solution

The third proportional to 55,361,264 and 129,348,899 is: 302,217,407.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,361,264 : 129,348,899 = 129,348,899 : x
  2. Step 2: Convert to fraction form
    55,361,264/129,348,899 = 129,348,899/x
  3. Step 3: Cross multiply
    55,361,264x = 129,348,899 × 129,348,899
  4. Step 4: Simplify right side
    55,361,264x = 16,731,137,672,512,200
  5. Step 5: Solve for x
    x = 16,731,137,672,512,200/55,361,264
  6. Step 6: Final answer
    x = 302,217,407.33

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.