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Finding the Third Proportional to 3,588,807.38 and 7,875,129.38

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Solution

The third proportional to 3,588,807.38 and 7,875,129.38 is: 17,280,855.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,588,807.38 : 7,875,129.38 = 7,875,129.38 : x
  2. Step 2: Convert to fraction form
    3,588,807.38/7,875,129.38 = 7,875,129.38/x
  3. Step 3: Cross multiply
    3,588,807.38x = 7,875,129.38 × 7,875,129.38
  4. Step 4: Simplify right side
    3,588,807.38x = 62,017,662,672,987.89
  5. Step 5: Solve for x
    x = 62,017,662,672,987.89/3,588,807.38
  6. Step 6: Final answer
    x = 17,280,855.78

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.