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Finding the Third Proportional to 3,554,156 and 6,931,163

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Solution

The third proportional to 3,554,156 and 6,931,163 is: 13,516,857.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554,156 : 6,931,163 = 6,931,163 : x
  2. Step 2: Convert to fraction form
    3,554,156/6,931,163 = 6,931,163/x
  3. Step 3: Cross multiply
    3,554,156x = 6,931,163 × 6,931,163
  4. Step 4: Simplify right side
    3,554,156x = 48,041,020,532,569
  5. Step 5: Solve for x
    x = 48,041,020,532,569/3,554,156
  6. Step 6: Final answer
    x = 13,516,857.60

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.