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Finding the Third Proportional to 4,540,376 and 9,877,907

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Solution

The third proportional to 4,540,376 and 9,877,907 is: 21,490,080.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,540,376 : 9,877,907 = 9,877,907 : x
  2. Step 2: Convert to fraction form
    4,540,376/9,877,907 = 9,877,907/x
  3. Step 3: Cross multiply
    4,540,376x = 9,877,907 × 9,877,907
  4. Step 4: Simplify right side
    4,540,376x = 97,573,046,700,649
  5. Step 5: Solve for x
    x = 97,573,046,700,649/4,540,376
  6. Step 6: Final answer
    x = 21,490,080.71

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.