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Finding the Third Proportional to 4,712,968 and 7,474,776

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Solution

The third proportional to 4,712,968 and 7,474,776 is: 11,855,008.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712,968 : 7,474,776 = 7,474,776 : x
  2. Step 2: Convert to fraction form
    4,712,968/7,474,776 = 7,474,776/x
  3. Step 3: Cross multiply
    4,712,968x = 7,474,776 × 7,474,776
  4. Step 4: Simplify right side
    4,712,968x = 55,872,276,250,176
  5. Step 5: Solve for x
    x = 55,872,276,250,176/4,712,968
  6. Step 6: Final answer
    x = 11,855,008.62

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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.