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Finding the Third Proportional to 5,289,904.13 and 7,449,350.63

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Solution

The third proportional to 5,289,904.13 and 7,449,350.63 is: 10,490,327.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289,904.13 : 7,449,350.63 = 7,449,350.63 : x
  2. Step 2: Convert to fraction form
    5,289,904.13/7,449,350.63 = 7,449,350.63/x
  3. Step 3: Cross multiply
    5,289,904.13x = 7,449,350.63 × 7,449,350.63
  4. Step 4: Simplify right side
    5,289,904.13x = 55,492,824,734,187.89
  5. Step 5: Solve for x
    x = 55,492,824,734,187.89/5,289,904.13
  6. Step 6: Final answer
    x = 10,490,327.13

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.