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Finding the Third Proportional to 79,342,051.50 and 122,603,706

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Solution

The third proportional to 79,342,051.50 and 122,603,706 is: 189,453,996.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,342,051.50 : 122,603,706 = 122,603,706 : x
  2. Step 2: Convert to fraction form
    79,342,051.50/122,603,706 = 122,603,706/x
  3. Step 3: Cross multiply
    79,342,051.50x = 122,603,706 × 122,603,706
  4. Step 4: Simplify right side
    79,342,051.50x = 15,031,668,724,934,436
  5. Step 5: Solve for x
    x = 15,031,668,724,934,436/79,342,051.50
  6. Step 6: Final answer
    x = 189,453,996.22

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.