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Finding the Third Proportional to 4,019,008,360 and 5,428,329,692

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Solution

The third proportional to 4,019,008,360 and 5,428,329,692 is: 7,331,849,203.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,019,008,360 : 5,428,329,692 = 5,428,329,692 : x
  2. Step 2: Convert to fraction form
    4,019,008,360/5,428,329,692 = 5,428,329,692/x
  3. Step 3: Cross multiply
    4,019,008,360x = 5,428,329,692 × 5,428,329,692
  4. Step 4: Simplify right side
    4,019,008,360x = 29,466,763,245,048,815,616
  5. Step 5: Solve for x
    x = 29,466,763,245,048,815,616/4,019,008,360
  6. Step 6: Final answer
    x = 7,331,849,203.98

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.