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Finding the Third Proportional to 72,048,692 and 106,167,950

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Solution

The third proportional to 72,048,692 and 106,167,950 is: 156,444,666.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,048,692 : 106,167,950 = 106,167,950 : x
  2. Step 2: Convert to fraction form
    72,048,692/106,167,950 = 106,167,950/x
  3. Step 3: Cross multiply
    72,048,692x = 106,167,950 × 106,167,950
  4. Step 4: Simplify right side
    72,048,692x = 11,271,633,607,202,500
  5. Step 5: Solve for x
    x = 11,271,633,607,202,500/72,048,692
  6. Step 6: Final answer
    x = 156,444,666.72

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.