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Finding the Third Proportional to 4,712,438 and 10,176,844

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Solution

The third proportional to 4,712,438 and 10,176,844 is: 21,977,616.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712,438 : 10,176,844 = 10,176,844 : x
  2. Step 2: Convert to fraction form
    4,712,438/10,176,844 = 10,176,844/x
  3. Step 3: Cross multiply
    4,712,438x = 10,176,844 × 10,176,844
  4. Step 4: Simplify right side
    4,712,438x = 103,568,153,800,336
  5. Step 5: Solve for x
    x = 103,568,153,800,336/4,712,438
  6. Step 6: Final answer
    x = 21,977,616.21

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.