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Finding the Third Proportional to 4,973,445 and 7,478,637

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Solution

The third proportional to 4,973,445 and 7,478,637 is: 11,245,728.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,973,445 : 7,478,637 = 7,478,637 : x
  2. Step 2: Convert to fraction form
    4,973,445/7,478,637 = 7,478,637/x
  3. Step 3: Cross multiply
    4,973,445x = 7,478,637 × 7,478,637
  4. Step 4: Simplify right side
    4,973,445x = 55,930,011,377,769
  5. Step 5: Solve for x
    x = 55,930,011,377,769/4,973,445
  6. Step 6: Final answer
    x = 11,245,728.34

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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.