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Finding the Third Proportional to 30,883,402.50 and 66,553,455

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Solution

The third proportional to 30,883,402.50 and 66,553,455 is: 143,422,097.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,883,402.50 : 66,553,455 = 66,553,455 : x
  2. Step 2: Convert to fraction form
    30,883,402.50/66,553,455 = 66,553,455/x
  3. Step 3: Cross multiply
    30,883,402.50x = 66,553,455 × 66,553,455
  4. Step 4: Simplify right side
    30,883,402.50x = 4,429,362,372,437,025
  5. Step 5: Solve for x
    x = 4,429,362,372,437,025/30,883,402.50
  6. Step 6: Final answer
    x = 143,422,097.76

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.