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Finding the Third Proportional to 631,394 and 1,385,028

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Solution

The third proportional to 631,394 and 1,385,028 is: 3,038,202.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,394 : 1,385,028 = 1,385,028 : x
  2. Step 2: Convert to fraction form
    631,394/1,385,028 = 1,385,028/x
  3. Step 3: Cross multiply
    631,394x = 1,385,028 × 1,385,028
  4. Step 4: Simplify right side
    631,394x = 1,918,302,560,784
  5. Step 5: Solve for x
    x = 1,918,302,560,784/631,394
  6. Step 6: Final answer
    x = 3,038,202.07

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.