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Finding the Third Proportional to 8,316,474 and 12,440,862

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Solution

The third proportional to 8,316,474 and 12,440,862 is: 18,610,657.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316,474 : 12,440,862 = 12,440,862 : x
  2. Step 2: Convert to fraction form
    8,316,474/12,440,862 = 12,440,862/x
  3. Step 3: Cross multiply
    8,316,474x = 12,440,862 × 12,440,862
  4. Step 4: Simplify right side
    8,316,474x = 154,775,047,303,044
  5. Step 5: Solve for x
    x = 154,775,047,303,044/8,316,474
  6. Step 6: Final answer
    x = 18,610,657.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.