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Finding the Third Proportional to 7,513,790 and 15,999,216

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Solution

The third proportional to 7,513,790 and 15,999,216 is: 34,067,349.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,513,790 : 15,999,216 = 15,999,216 : x
  2. Step 2: Convert to fraction form
    7,513,790/15,999,216 = 15,999,216/x
  3. Step 3: Cross multiply
    7,513,790x = 15,999,216 × 15,999,216
  4. Step 4: Simplify right side
    7,513,790x = 255,974,912,614,656
  5. Step 5: Solve for x
    x = 255,974,912,614,656/7,513,790
  6. Step 6: Final answer
    x = 34,067,349.85

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.