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Finding the Third Proportional to 35,984,838 and 78,358,956

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Solution

The third proportional to 35,984,838 and 78,358,956 is: 170,630,919.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,984,838 : 78,358,956 = 78,358,956 : x
  2. Step 2: Convert to fraction form
    35,984,838/78,358,956 = 78,358,956/x
  3. Step 3: Cross multiply
    35,984,838x = 78,358,956 × 78,358,956
  4. Step 4: Simplify right side
    35,984,838x = 6,140,125,985,409,936
  5. Step 5: Solve for x
    x = 6,140,125,985,409,936/35,984,838
  6. Step 6: Final answer
    x = 170,630,919.21

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.