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Finding the Third Proportional to 217,871,333 and 470,172,877

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Solution

The third proportional to 217,871,333 and 470,172,877 is: 1,014,647,182.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,871,333 : 470,172,877 = 470,172,877 : x
  2. Step 2: Convert to fraction form
    217,871,333/470,172,877 = 470,172,877/x
  3. Step 3: Cross multiply
    217,871,333x = 470,172,877 × 470,172,877
  4. Step 4: Simplify right side
    217,871,333x = 221,062,534,266,457,120
  5. Step 5: Solve for x
    x = 221,062,534,266,457,120/217,871,333
  6. Step 6: Final answer
    x = 1,014,647,182.92

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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.