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Finding the Third Proportional to 19,209,049 and 41,928,507

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Solution

The third proportional to 19,209,049 and 41,928,507 is: 91,519,351.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,209,049 : 41,928,507 = 41,928,507 : x
  2. Step 2: Convert to fraction form
    19,209,049/41,928,507 = 41,928,507/x
  3. Step 3: Cross multiply
    19,209,049x = 41,928,507 × 41,928,507
  4. Step 4: Simplify right side
    19,209,049x = 1,757,999,699,249,049
  5. Step 5: Solve for x
    x = 1,757,999,699,249,049/19,209,049
  6. Step 6: Final answer
    x = 91,519,351.08

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.