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Finding the Third Proportional to 11,662,679 and 15,700,289

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Solution

The third proportional to 11,662,679 and 15,700,289 is: 21,135,716.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,662,679 : 15,700,289 = 15,700,289 : x
  2. Step 2: Convert to fraction form
    11,662,679/15,700,289 = 15,700,289/x
  3. Step 3: Cross multiply
    11,662,679x = 15,700,289 × 15,700,289
  4. Step 4: Simplify right side
    11,662,679x = 246,499,074,683,521
  5. Step 5: Solve for x
    x = 246,499,074,683,521/11,662,679
  6. Step 6: Final answer
    x = 21,135,716.30

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.