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Finding the Third Proportional to 4,646,271 and 9,965,130

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Solution

The third proportional to 4,646,271 and 9,965,130 is: 21,372,798.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,646,271 : 9,965,130 = 9,965,130 : x
  2. Step 2: Convert to fraction form
    4,646,271/9,965,130 = 9,965,130/x
  3. Step 3: Cross multiply
    4,646,271x = 9,965,130 × 9,965,130
  4. Step 4: Simplify right side
    4,646,271x = 99,303,815,916,900
  5. Step 5: Solve for x
    x = 99,303,815,916,900/4,646,271
  6. Step 6: Final answer
    x = 21,372,798.94

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.