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Finding the Third Proportional to 4,665,721 and 6,671,988

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Solution

The third proportional to 4,665,721 and 6,671,988 is: 9,540,952.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,665,721 : 6,671,988 = 6,671,988 : x
  2. Step 2: Convert to fraction form
    4,665,721/6,671,988 = 6,671,988/x
  3. Step 3: Cross multiply
    4,665,721x = 6,671,988 × 6,671,988
  4. Step 4: Simplify right side
    4,665,721x = 44,515,423,872,144
  5. Step 5: Solve for x
    x = 44,515,423,872,144/4,665,721
  6. Step 6: Final answer
    x = 9,540,952.81

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.