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Finding the Third Proportional to 28,420,004 and 62,508,712

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Solution

The third proportional to 28,420,004 and 62,508,712 is: 137,485,521.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,420,004 : 62,508,712 = 62,508,712 : x
  2. Step 2: Convert to fraction form
    28,420,004/62,508,712 = 62,508,712/x
  3. Step 3: Cross multiply
    28,420,004x = 62,508,712 × 62,508,712
  4. Step 4: Simplify right side
    28,420,004x = 3,907,339,075,898,944
  5. Step 5: Solve for x
    x = 3,907,339,075,898,944/28,420,004
  6. Step 6: Final answer
    x = 137,485,521.67

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.