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Finding the Third Proportional to 30,261,579 and 62,676,419

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Solution

The third proportional to 30,261,579 and 62,676,419 is: 129,812,575.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,261,579 : 62,676,419 = 62,676,419 : x
  2. Step 2: Convert to fraction form
    30,261,579/62,676,419 = 62,676,419/x
  3. Step 3: Cross multiply
    30,261,579x = 62,676,419 × 62,676,419
  4. Step 4: Simplify right side
    30,261,579x = 3,928,333,498,663,561
  5. Step 5: Solve for x
    x = 3,928,333,498,663,561/30,261,579
  6. Step 6: Final answer
    x = 129,812,575.17

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.