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Finding the Third Proportional to 64,463,078.25 and 99,962,482.50

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Solution

The third proportional to 64,463,078.25 and 99,962,482.50 is: 155,011,181.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,463,078.25 : 99,962,482.50 = 99,962,482.50 : x
  2. Step 2: Convert to fraction form
    64,463,078.25/99,962,482.50 = 99,962,482.50/x
  3. Step 3: Cross multiply
    64,463,078.25x = 99,962,482.50 × 99,962,482.50
  4. Step 4: Simplify right side
    64,463,078.25x = 9,992,497,907,562,806
  5. Step 5: Solve for x
    x = 9,992,497,907,562,806/64,463,078.25
  6. Step 6: Final answer
    x = 155,011,181.27

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.