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Finding the Third Proportional to 4,076,681.91 and 8,791,702.03

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Solution

The third proportional to 4,076,681.91 and 8,791,702.03 is: 18,960,033.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,076,681.91 : 8,791,702.03 = 8,791,702.03 : x
  2. Step 2: Convert to fraction form
    4,076,681.91/8,791,702.03 = 8,791,702.03/x
  3. Step 3: Cross multiply
    4,076,681.91x = 8,791,702.03 × 8,791,702.03
  4. Step 4: Simplify right side
    4,076,681.91x = 77,294,024,606,285.38
  5. Step 5: Solve for x
    x = 77,294,024,606,285.38/4,076,681.91
  6. Step 6: Final answer
    x = 18,960,033.28

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.