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Finding the Third Proportional to 5,104,690.88 and 7,908,009.75

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Solution

The third proportional to 5,104,690.88 and 7,908,009.75 is: 12,250,813.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104,690.88 : 7,908,009.75 = 7,908,009.75 : x
  2. Step 2: Convert to fraction form
    5,104,690.88/7,908,009.75 = 7,908,009.75/x
  3. Step 3: Cross multiply
    5,104,690.88x = 7,908,009.75 × 7,908,009.75
  4. Step 4: Simplify right side
    5,104,690.88x = 62,536,618,206,095.06
  5. Step 5: Solve for x
    x = 62,536,618,206,095.06/5,104,690.88
  6. Step 6: Final answer
    x = 12,250,813.95

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.