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Finding the Third Proportional to 12,958,465 and 27,995,120

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Solution

The third proportional to 12,958,465 and 27,995,120 is: 60,479,905.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,958,465 : 27,995,120 = 27,995,120 : x
  2. Step 2: Convert to fraction form
    12,958,465/27,995,120 = 27,995,120/x
  3. Step 3: Cross multiply
    12,958,465x = 27,995,120 × 27,995,120
  4. Step 4: Simplify right side
    12,958,465x = 783,726,743,814,400
  5. Step 5: Solve for x
    x = 783,726,743,814,400/12,958,465
  6. Step 6: Final answer
    x = 60,479,905.90

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.