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Finding the Third Proportional to 12,708,120 and 27,842,145

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Solution

The third proportional to 12,708,120 and 27,842,145 is: 60,999,190.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,708,120 : 27,842,145 = 27,842,145 : x
  2. Step 2: Convert to fraction form
    12,708,120/27,842,145 = 27,842,145/x
  3. Step 3: Cross multiply
    12,708,120x = 27,842,145 × 27,842,145
  4. Step 4: Simplify right side
    12,708,120x = 775,185,038,201,025
  5. Step 5: Solve for x
    x = 775,185,038,201,025/12,708,120
  6. Step 6: Final answer
    x = 60,999,190.93

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.