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Finding the Third Proportional to 6,712,939.55 and 9,943,542.91

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Solution

The third proportional to 6,712,939.55 and 9,943,542.91 is: 14,728,874.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,712,939.55 : 9,943,542.91 = 9,943,542.91 : x
  2. Step 2: Convert to fraction form
    6,712,939.55/9,943,542.91 = 9,943,542.91/x
  3. Step 3: Cross multiply
    6,712,939.55x = 9,943,542.91 × 9,943,542.91
  4. Step 4: Simplify right side
    6,712,939.55x = 98,874,045,683,802.55
  5. Step 5: Solve for x
    x = 98,874,045,683,802.55/6,712,939.55
  6. Step 6: Final answer
    x = 14,728,874.73

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.