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Finding the Third Proportional to 7,868,334 and 11,874,789

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Solution

The third proportional to 7,868,334 and 11,874,789 is: 17,921,279.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,868,334 : 11,874,789 = 11,874,789 : x
  2. Step 2: Convert to fraction form
    7,868,334/11,874,789 = 11,874,789/x
  3. Step 3: Cross multiply
    7,868,334x = 11,874,789 × 11,874,789
  4. Step 4: Simplify right side
    7,868,334x = 141,010,613,794,521
  5. Step 5: Solve for x
    x = 141,010,613,794,521/7,868,334
  6. Step 6: Final answer
    x = 17,921,279.62

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.