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Finding the Third Proportional to 12,687,871 and 19,035,696

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Solution

The third proportional to 12,687,871 and 19,035,696 is: 28,559,379.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687,871 : 19,035,696 = 19,035,696 : x
  2. Step 2: Convert to fraction form
    12,687,871/19,035,696 = 19,035,696/x
  3. Step 3: Cross multiply
    12,687,871x = 19,035,696 × 19,035,696
  4. Step 4: Simplify right side
    12,687,871x = 362,357,722,204,416
  5. Step 5: Solve for x
    x = 362,357,722,204,416/12,687,871
  6. Step 6: Final answer
    x = 28,559,379.44

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.