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Finding the Third Proportional to 9,581,007.80 and 21,016,907.68

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Solution

The third proportional to 9,581,007.80 and 21,016,907.68 is: 46,102,708.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,581,007.80 : 21,016,907.68 = 21,016,907.68 : x
  2. Step 2: Convert to fraction form
    9,581,007.80/21,016,907.68 = 21,016,907.68/x
  3. Step 3: Cross multiply
    9,581,007.80x = 21,016,907.68 × 21,016,907.68
  4. Step 4: Simplify right side
    9,581,007.80x = 441,710,408,580,670.56
  5. Step 5: Solve for x
    x = 441,710,408,580,670.56/9,581,007.80
  6. Step 6: Final answer
    x = 46,102,708.39

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.