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Finding the Third Proportional to 217,871,283 and 470,172,777

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Solution

The third proportional to 217,871,283 and 470,172,777 is: 1,014,646,984.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,871,283 : 470,172,777 = 470,172,777 : x
  2. Step 2: Convert to fraction form
    217,871,283/470,172,777 = 470,172,777/x
  3. Step 3: Cross multiply
    217,871,283x = 470,172,777 × 470,172,777
  4. Step 4: Simplify right side
    217,871,283x = 221,062,440,231,891,744
  5. Step 5: Solve for x
    x = 221,062,440,231,891,744/217,871,283
  6. Step 6: Final answer
    x = 1,014,646,984.16

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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.