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Finding the Third Proportional to 12,390,720 and 26,840,376

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Solution

The third proportional to 12,390,720 and 26,840,376 is: 58,140,752.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,390,720 : 26,840,376 = 26,840,376 : x
  2. Step 2: Convert to fraction form
    12,390,720/26,840,376 = 26,840,376/x
  3. Step 3: Cross multiply
    12,390,720x = 26,840,376 × 26,840,376
  4. Step 4: Simplify right side
    12,390,720x = 720,405,783,821,376
  5. Step 5: Solve for x
    x = 720,405,783,821,376/12,390,720
  6. Step 6: Final answer
    x = 58,140,752.42

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.