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Finding the Third Proportional to 938,709 and 2,018,935.13

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Solution

The third proportional to 938,709 and 2,018,935.13 is: 4,342,239.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,709 : 2,018,935.13 = 2,018,935.13 : x
  2. Step 2: Convert to fraction form
    938,709/2,018,935.13 = 2,018,935.13/x
  3. Step 3: Cross multiply
    938,709x = 2,018,935.13 × 2,018,935.13
  4. Step 4: Simplify right side
    938,709x = 4,076,099,038,958.77
  5. Step 5: Solve for x
    x = 4,076,099,038,958.77/938,709
  6. Step 6: Final answer
    x = 4,342,239.22

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.