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Finding the Third Proportional to 6,277,920.19 and 8,885,695.57

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Solution

The third proportional to 6,277,920.19 and 8,885,695.57 is: 12,576,710.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,277,920.19 : 8,885,695.57 = 8,885,695.57 : x
  2. Step 2: Convert to fraction form
    6,277,920.19/8,885,695.57 = 8,885,695.57/x
  3. Step 3: Cross multiply
    6,277,920.19x = 8,885,695.57 × 8,885,695.57
  4. Step 4: Simplify right side
    6,277,920.19x = 78,955,585,768,271.19
  5. Step 5: Solve for x
    x = 78,955,585,768,271.19/6,277,920.19
  6. Step 6: Final answer
    x = 12,576,710.66

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.