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Finding the Third Proportional to 4,973,657 and 7,908,861

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Solution

The third proportional to 4,973,657 and 7,908,861 is: 12,576,275.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,973,657 : 7,908,861 = 7,908,861 : x
  2. Step 2: Convert to fraction form
    4,973,657/7,908,861 = 7,908,861/x
  3. Step 3: Cross multiply
    4,973,657x = 7,908,861 × 7,908,861
  4. Step 4: Simplify right side
    4,973,657x = 62,550,082,317,321
  5. Step 5: Solve for x
    x = 62,550,082,317,321/4,973,657
  6. Step 6: Final answer
    x = 12,576,275.83

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.