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Finding the Third Proportional to 1,996,667,169 and 3,115,875,287

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Solution

The third proportional to 1,996,667,169 and 3,115,875,287 is: 4,862,442,251.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,667,169 : 3,115,875,287 = 3,115,875,287 : x
  2. Step 2: Convert to fraction form
    1,996,667,169/3,115,875,287 = 3,115,875,287/x
  3. Step 3: Cross multiply
    1,996,667,169x = 3,115,875,287 × 3,115,875,287
  4. Step 4: Simplify right side
    1,996,667,169x = 9,708,678,804,137,332,736
  5. Step 5: Solve for x
    x = 9,708,678,804,137,332,736/1,996,667,169
  6. Step 6: Final answer
    x = 4,862,442,251.20

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These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.