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Finding the Third Proportional to 8,378,956.13 and 12,812,095.13

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Solution

The third proportional to 8,378,956.13 and 12,812,095.13 is: 19,590,719.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,378,956.13 : 12,812,095.13 = 12,812,095.13 : x
  2. Step 2: Convert to fraction form
    8,378,956.13/12,812,095.13 = 12,812,095.13/x
  3. Step 3: Cross multiply
    8,378,956.13x = 12,812,095.13 × 12,812,095.13
  4. Step 4: Simplify right side
    8,378,956.13x = 164,149,781,492,048.75
  5. Step 5: Solve for x
    x = 164,149,781,492,048.75/8,378,956.13
  6. Step 6: Final answer
    x = 19,590,719.78

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These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.