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Finding the Third Proportional to 8,272,047 and 18,176,964

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Solution

The third proportional to 8,272,047 and 18,176,964 is: 39,941,990.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,272,047 : 18,176,964 = 18,176,964 : x
  2. Step 2: Convert to fraction form
    8,272,047/18,176,964 = 18,176,964/x
  3. Step 3: Cross multiply
    8,272,047x = 18,176,964 × 18,176,964
  4. Step 4: Simplify right side
    8,272,047x = 330,402,020,257,296
  5. Step 5: Solve for x
    x = 330,402,020,257,296/8,272,047
  6. Step 6: Final answer
    x = 39,941,990.21

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.