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Finding the Third Proportional to 4,973,682 and 7,908,918

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Solution

The third proportional to 4,973,682 and 7,908,918 is: 12,576,393.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,973,682 : 7,908,918 = 7,908,918 : x
  2. Step 2: Convert to fraction form
    4,973,682/7,908,918 = 7,908,918/x
  3. Step 3: Cross multiply
    4,973,682x = 7,908,918 × 7,908,918
  4. Step 4: Simplify right side
    4,973,682x = 62,550,983,930,724
  5. Step 5: Solve for x
    x = 62,550,983,930,724/4,973,682
  6. Step 6: Final answer
    x = 12,576,393.89

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.