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Finding the Third Proportional to 2,784,328.50 and 4,430,458.38

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Solution

The third proportional to 2,784,328.50 and 4,430,458.38 is: 7,049,800.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784,328.50 : 4,430,458.38 = 4,430,458.38 : x
  2. Step 2: Convert to fraction form
    2,784,328.50/4,430,458.38 = 4,430,458.38/x
  3. Step 3: Cross multiply
    2,784,328.50x = 4,430,458.38 × 4,430,458.38
  4. Step 4: Simplify right side
    2,784,328.50x = 19,628,961,412,607.64
  5. Step 5: Solve for x
    x = 19,628,961,412,607.64/2,784,328.50
  6. Step 6: Final answer
    x = 7,049,800.85

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.