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Finding the Third Proportional to 4,248,345.75 and 6,494,429.72

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Solution

The third proportional to 4,248,345.75 and 6,494,429.72 is: 9,928,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,248,345.75 : 6,494,429.72 = 6,494,429.72 : x
  2. Step 2: Convert to fraction form
    4,248,345.75/6,494,429.72 = 6,494,429.72/x
  3. Step 3: Cross multiply
    4,248,345.75x = 6,494,429.72 × 6,494,429.72
  4. Step 4: Simplify right side
    4,248,345.75x = 42,177,617,371,783.20
  5. Step 5: Solve for x
    x = 42,177,617,371,783.20/4,248,345.75
  6. Step 6: Final answer
    x = 9,928,009.60

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.