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Finding the Third Proportional to 13,159,656 and 19,629,940

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Solution

The third proportional to 13,159,656 and 19,629,940 is: 29,281,505.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,159,656 : 19,629,940 = 19,629,940 : x
  2. Step 2: Convert to fraction form
    13,159,656/19,629,940 = 19,629,940/x
  3. Step 3: Cross multiply
    13,159,656x = 19,629,940 × 19,629,940
  4. Step 4: Simplify right side
    13,159,656x = 385,334,544,403,600
  5. Step 5: Solve for x
    x = 385,334,544,403,600/13,159,656
  6. Step 6: Final answer
    x = 29,281,505.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.