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Finding the Third Proportional to 12,816,642 and 19,227,515

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Solution

The third proportional to 12,816,642 and 19,227,515 is: 28,845,101.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,816,642 : 19,227,515 = 19,227,515 : x
  2. Step 2: Convert to fraction form
    12,816,642/19,227,515 = 19,227,515/x
  3. Step 3: Cross multiply
    12,816,642x = 19,227,515 × 19,227,515
  4. Step 4: Simplify right side
    12,816,642x = 369,697,333,075,225
  5. Step 5: Solve for x
    x = 369,697,333,075,225/12,816,642
  6. Step 6: Final answer
    x = 28,845,101.01

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Why These Related Problems?

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