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Finding the Third Proportional to 621,949,808 and 1,439,851,928

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Solution

The third proportional to 621,949,808 and 1,439,851,928 is: 3,333,345,469.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,949,808 : 1,439,851,928 = 1,439,851,928 : x
  2. Step 2: Convert to fraction form
    621,949,808/1,439,851,928 = 1,439,851,928/x
  3. Step 3: Cross multiply
    621,949,808x = 1,439,851,928 × 1,439,851,928
  4. Step 4: Simplify right side
    621,949,808x = 2,073,173,574,565,317,120
  5. Step 5: Solve for x
    x = 2,073,173,574,565,317,120/621,949,808
  6. Step 6: Final answer
    x = 3,333,345,469.20

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.