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Finding the Third Proportional to 7,316,979 and 10,869,399

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Solution

The third proportional to 7,316,979 and 10,869,399 is: 16,146,531.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,316,979 : 10,869,399 = 10,869,399 : x
  2. Step 2: Convert to fraction form
    7,316,979/10,869,399 = 10,869,399/x
  3. Step 3: Cross multiply
    7,316,979x = 10,869,399 × 10,869,399
  4. Step 4: Simplify right side
    7,316,979x = 118,143,834,621,201
  5. Step 5: Solve for x
    x = 118,143,834,621,201/7,316,979
  6. Step 6: Final answer
    x = 16,146,531.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.