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Finding the Third Proportional to 4,016,357.16 and 8,685,328.78

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Solution

The third proportional to 4,016,357.16 and 8,685,328.78 is: 18,781,929.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,016,357.16 : 8,685,328.78 = 8,685,328.78 : x
  2. Step 2: Convert to fraction form
    4,016,357.16/8,685,328.78 = 8,685,328.78/x
  3. Step 3: Cross multiply
    4,016,357.16x = 8,685,328.78 × 8,685,328.78
  4. Step 4: Simplify right side
    4,016,357.16x = 75,434,936,038,409.61
  5. Step 5: Solve for x
    x = 75,434,936,038,409.61/4,016,357.16
  6. Step 6: Final answer
    x = 18,781,929.27

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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.