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Finding the Third Proportional to 4,847,394.38 and 7,371,815.06

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Solution

The third proportional to 4,847,394.38 and 7,371,815.06 is: 11,210,900.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,847,394.38 : 7,371,815.06 = 7,371,815.06 : x
  2. Step 2: Convert to fraction form
    4,847,394.38/7,371,815.06 = 7,371,815.06/x
  3. Step 3: Cross multiply
    4,847,394.38x = 7,371,815.06 × 7,371,815.06
  4. Step 4: Simplify right side
    4,847,394.38x = 54,343,657,315,701.88
  5. Step 5: Solve for x
    x = 54,343,657,315,701.88/4,847,394.38
  6. Step 6: Final answer
    x = 11,210,900.77

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.