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Finding the Third Proportional to 6,385,298 and 9,913,707

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Solution

The third proportional to 6,385,298 and 9,913,707 is: 15,391,855.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,385,298 : 9,913,707 = 9,913,707 : x
  2. Step 2: Convert to fraction form
    6,385,298/9,913,707 = 9,913,707/x
  3. Step 3: Cross multiply
    6,385,298x = 9,913,707 × 9,913,707
  4. Step 4: Simplify right side
    6,385,298x = 98,281,586,481,849
  5. Step 5: Solve for x
    x = 98,281,586,481,849/6,385,298
  6. Step 6: Final answer
    x = 15,391,855.87

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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.