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Finding the Third Proportional to 8,329,240.76 and 12,871,913.13

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Solution

The third proportional to 8,329,240.76 and 12,871,913.13 is: 19,892,106.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,329,240.76 : 12,871,913.13 = 12,871,913.13 : x
  2. Step 2: Convert to fraction form
    8,329,240.76/12,871,913.13 = 12,871,913.13/x
  3. Step 3: Cross multiply
    8,329,240.76x = 12,871,913.13 × 12,871,913.13
  4. Step 4: Simplify right side
    8,329,240.76x = 165,686,147,698,658.06
  5. Step 5: Solve for x
    x = 165,686,147,698,658.06/8,329,240.76
  6. Step 6: Final answer
    x = 19,892,106.92

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.