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Finding the Third Proportional to 6,928,312 and 9,979,944

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Solution

The third proportional to 6,928,312 and 9,979,944 is: 14,375,692.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,928,312 : 9,979,944 = 9,979,944 : x
  2. Step 2: Convert to fraction form
    6,928,312/9,979,944 = 9,979,944/x
  3. Step 3: Cross multiply
    6,928,312x = 9,979,944 × 9,979,944
  4. Step 4: Simplify right side
    6,928,312x = 99,599,282,243,136
  5. Step 5: Solve for x
    x = 99,599,282,243,136/6,928,312
  6. Step 6: Final answer
    x = 14,375,692.41

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.