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Finding the Third Proportional to 5,572,438.88 and 7,699,844.81

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Solution

The third proportional to 5,572,438.88 and 7,699,844.81 is: 10,639,436.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,572,438.88 : 7,699,844.81 = 7,699,844.81 : x
  2. Step 2: Convert to fraction form
    5,572,438.88/7,699,844.81 = 7,699,844.81/x
  3. Step 3: Cross multiply
    5,572,438.88x = 7,699,844.81 × 7,699,844.81
  4. Step 4: Simplify right side
    5,572,438.88x = 59,287,610,136,583.16
  5. Step 5: Solve for x
    x = 59,287,610,136,583.16/5,572,438.88
  6. Step 6: Final answer
    x = 10,639,436.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.