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Finding the Third Proportional to 2,988,711 and 4,669,690.50

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Solution

The third proportional to 2,988,711 and 4,669,690.50 is: 7,296,125.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988,711 : 4,669,690.50 = 4,669,690.50 : x
  2. Step 2: Convert to fraction form
    2,988,711/4,669,690.50 = 4,669,690.50/x
  3. Step 3: Cross multiply
    2,988,711x = 4,669,690.50 × 4,669,690.50
  4. Step 4: Simplify right side
    2,988,711x = 21,806,009,365,790.25
  5. Step 5: Solve for x
    x = 21,806,009,365,790.25/2,988,711
  6. Step 6: Final answer
    x = 7,296,125.11

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.