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Finding the Third Proportional to 1,784,302,994 and 3,865,154,960

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Solution

The third proportional to 1,784,302,994 and 3,865,154,960 is: 8,372,693,939.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784,302,994 : 3,865,154,960 = 3,865,154,960 : x
  2. Step 2: Convert to fraction form
    1,784,302,994/3,865,154,960 = 3,865,154,960/x
  3. Step 3: Cross multiply
    1,784,302,994x = 3,865,154,960 × 3,865,154,960
  4. Step 4: Simplify right side
    1,784,302,994x = 14,939,422,864,812,601,344
  5. Step 5: Solve for x
    x = 14,939,422,864,812,601,344/1,784,302,994
  6. Step 6: Final answer
    x = 8,372,693,939.90

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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.