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Finding the Third Proportional to 12,937,912 and 19,416,340

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Solution

The third proportional to 12,937,912 and 19,416,340 is: 29,138,724.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,937,912 : 19,416,340 = 19,416,340 : x
  2. Step 2: Convert to fraction form
    12,937,912/19,416,340 = 19,416,340/x
  3. Step 3: Cross multiply
    12,937,912x = 19,416,340 × 19,416,340
  4. Step 4: Simplify right side
    12,937,912x = 376,994,258,995,600
  5. Step 5: Solve for x
    x = 376,994,258,995,600/12,937,912
  6. Step 6: Final answer
    x = 29,138,724.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.