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Finding the Third Proportional to 66,333,760 and 143,533,028

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Solution

The third proportional to 66,333,760 and 143,533,028 is: 310,576,848.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,333,760 : 143,533,028 = 143,533,028 : x
  2. Step 2: Convert to fraction form
    66,333,760/143,533,028 = 143,533,028/x
  3. Step 3: Cross multiply
    66,333,760x = 143,533,028 × 143,533,028
  4. Step 4: Simplify right side
    66,333,760x = 20,601,730,126,848,784
  5. Step 5: Solve for x
    x = 20,601,730,126,848,784/66,333,760
  6. Step 6: Final answer
    x = 310,576,848.45

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.