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Finding the Third Proportional to 86,648,639 and 190,304,254

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Solution

The third proportional to 86,648,639 and 190,304,254 is: 417,960,507.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,648,639 : 190,304,254 = 190,304,254 : x
  2. Step 2: Convert to fraction form
    86,648,639/190,304,254 = 190,304,254/x
  3. Step 3: Cross multiply
    86,648,639x = 190,304,254 × 190,304,254
  4. Step 4: Simplify right side
    86,648,639x = 36,215,709,090,496,512
  5. Step 5: Solve for x
    x = 36,215,709,090,496,512/86,648,639
  6. Step 6: Final answer
    x = 417,960,507.04

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.