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Finding the Third Proportional to 618,844,617 and 928,267,047

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Solution

The third proportional to 618,844,617 and 928,267,047 is: 1,392,400,752.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,844,617 : 928,267,047 = 928,267,047 : x
  2. Step 2: Convert to fraction form
    618,844,617/928,267,047 = 928,267,047/x
  3. Step 3: Cross multiply
    618,844,617x = 928,267,047 × 928,267,047
  4. Step 4: Simplify right side
    618,844,617x = 861,679,710,546,100,224
  5. Step 5: Solve for x
    x = 861,679,710,546,100,224/618,844,617
  6. Step 6: Final answer
    x = 1,392,400,752.75

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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.