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Finding the Third Proportional to 4,712,911 and 10,169,804

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Solution

The third proportional to 4,712,911 and 10,169,804 is: 21,945,017.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712,911 : 10,169,804 = 10,169,804 : x
  2. Step 2: Convert to fraction form
    4,712,911/10,169,804 = 10,169,804/x
  3. Step 3: Cross multiply
    4,712,911x = 10,169,804 × 10,169,804
  4. Step 4: Simplify right side
    4,712,911x = 103,424,913,398,416
  5. Step 5: Solve for x
    x = 103,424,913,398,416/4,712,911
  6. Step 6: Final answer
    x = 21,945,017.29

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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.