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Finding the Third Proportional to 3,130,254 and 4,979,400

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Solution

The third proportional to 3,130,254 and 4,979,400 is: 7,920,898.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130,254 : 4,979,400 = 4,979,400 : x
  2. Step 2: Convert to fraction form
    3,130,254/4,979,400 = 4,979,400/x
  3. Step 3: Cross multiply
    3,130,254x = 4,979,400 × 4,979,400
  4. Step 4: Simplify right side
    3,130,254x = 24,794,424,360,000
  5. Step 5: Solve for x
    x = 24,794,424,360,000/3,130,254
  6. Step 6: Final answer
    x = 7,920,898.55

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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.