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Finding the Third Proportional to 7,150,528.13 and 9,181,041.19

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Solution

The third proportional to 7,150,528.13 and 9,181,041.19 is: 11,788,152.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,150,528.13 : 9,181,041.19 = 9,181,041.19 : x
  2. Step 2: Convert to fraction form
    7,150,528.13/9,181,041.19 = 9,181,041.19/x
  3. Step 3: Cross multiply
    7,150,528.13x = 9,181,041.19 × 9,181,041.19
  4. Step 4: Simplify right side
    7,150,528.13x = 84,291,517,286,571.41
  5. Step 5: Solve for x
    x = 84,291,517,286,571.41/7,150,528.13
  6. Step 6: Final answer
    x = 11,788,152.68

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.