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Finding the Third Proportional to 15,921,315 and 34,545,762

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Solution

The third proportional to 15,921,315 and 34,545,762 is: 74,956,727.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,921,315 : 34,545,762 = 34,545,762 : x
  2. Step 2: Convert to fraction form
    15,921,315/34,545,762 = 34,545,762/x
  3. Step 3: Cross multiply
    15,921,315x = 34,545,762 × 34,545,762
  4. Step 4: Simplify right side
    15,921,315x = 1,193,409,672,160,644
  5. Step 5: Solve for x
    x = 1,193,409,672,160,644/15,921,315
  6. Step 6: Final answer
    x = 74,956,727.64

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.