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Finding the Third Proportional to 2,912,028 and 4,521,402.75

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Solution

The third proportional to 2,912,028 and 4,521,402.75 is: 7,020,221.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,028 : 4,521,402.75 = 4,521,402.75 : x
  2. Step 2: Convert to fraction form
    2,912,028/4,521,402.75 = 4,521,402.75/x
  3. Step 3: Cross multiply
    2,912,028x = 4,521,402.75 × 4,521,402.75
  4. Step 4: Simplify right side
    2,912,028x = 20,443,082,827,707.56
  5. Step 5: Solve for x
    x = 20,443,082,827,707.56/2,912,028
  6. Step 6: Final answer
    x = 7,020,221.93

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.