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Finding the Third Proportional to 4,707,804 and 9,980,553

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Solution

The third proportional to 4,707,804 and 9,980,553 is: 21,158,790.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,707,804 : 9,980,553 = 9,980,553 : x
  2. Step 2: Convert to fraction form
    4,707,804/9,980,553 = 9,980,553/x
  3. Step 3: Cross multiply
    4,707,804x = 9,980,553 × 9,980,553
  4. Step 4: Simplify right side
    4,707,804x = 99,611,438,185,809
  5. Step 5: Solve for x
    x = 99,611,438,185,809/4,707,804
  6. Step 6: Final answer
    x = 21,158,790.42

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.