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Finding the Third Proportional to 996,972 and 2,174,394

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Solution

The third proportional to 996,972 and 2,174,394 is: 4,742,349.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,972 : 2,174,394 = 2,174,394 : x
  2. Step 2: Convert to fraction form
    996,972/2,174,394 = 2,174,394/x
  3. Step 3: Cross multiply
    996,972x = 2,174,394 × 2,174,394
  4. Step 4: Simplify right side
    996,972x = 4,727,989,267,236
  5. Step 5: Solve for x
    x = 4,727,989,267,236/996,972
  6. Step 6: Final answer
    x = 4,742,349.10

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.