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Finding the Third Proportional to 7,439,557 and 15,772,010

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Solution

The third proportional to 7,439,557 and 15,772,010 is: 33,436,977.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439,557 : 15,772,010 = 15,772,010 : x
  2. Step 2: Convert to fraction form
    7,439,557/15,772,010 = 15,772,010/x
  3. Step 3: Cross multiply
    7,439,557x = 15,772,010 × 15,772,010
  4. Step 4: Simplify right side
    7,439,557x = 248,756,299,440,100
  5. Step 5: Solve for x
    x = 248,756,299,440,100/7,439,557
  6. Step 6: Final answer
    x = 33,436,977.42

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.