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Finding the Third Proportional to 7,666,015 and 15,557,297

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Solution

The third proportional to 7,666,015 and 15,557,297 is: 31,571,747.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,666,015 : 15,557,297 = 15,557,297 : x
  2. Step 2: Convert to fraction form
    7,666,015/15,557,297 = 15,557,297/x
  3. Step 3: Cross multiply
    7,666,015x = 15,557,297 × 15,557,297
  4. Step 4: Simplify right side
    7,666,015x = 242,029,489,946,209
  5. Step 5: Solve for x
    x = 242,029,489,946,209/7,666,015
  6. Step 6: Final answer
    x = 31,571,747.50

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.