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Finding the Third Proportional to 3,145,428 and 4,744,134

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Solution

The third proportional to 3,145,428 and 4,744,134 is: 7,155,403.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145,428 : 4,744,134 = 4,744,134 : x
  2. Step 2: Convert to fraction form
    3,145,428/4,744,134 = 4,744,134/x
  3. Step 3: Cross multiply
    3,145,428x = 4,744,134 × 4,744,134
  4. Step 4: Simplify right side
    3,145,428x = 22,506,807,409,956
  5. Step 5: Solve for x
    x = 22,506,807,409,956/3,145,428
  6. Step 6: Final answer
    x = 7,155,403.78

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.