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Finding the Third Proportional to 90,874,545 and 195,605,919

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Solution

The third proportional to 90,874,545 and 195,605,919 is: 421,038,427.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,874,545 : 195,605,919 = 195,605,919 : x
  2. Step 2: Convert to fraction form
    90,874,545/195,605,919 = 195,605,919/x
  3. Step 3: Cross multiply
    90,874,545x = 195,605,919 × 195,605,919
  4. Step 4: Simplify right side
    90,874,545x = 38,261,675,547,834,560
  5. Step 5: Solve for x
    x = 38,261,675,547,834,560/90,874,545
  6. Step 6: Final answer
    x = 421,038,427.73

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.