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Finding the Third Proportional to 35,984,805.50 and 78,358,891

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Solution

The third proportional to 35,984,805.50 and 78,358,891 is: 170,630,790.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,984,805.50 : 78,358,891 = 78,358,891 : x
  2. Step 2: Convert to fraction form
    35,984,805.50/78,358,891 = 78,358,891/x
  3. Step 3: Cross multiply
    35,984,805.50x = 78,358,891 × 78,358,891
  4. Step 4: Simplify right side
    35,984,805.50x = 6,140,115,798,749,881
  5. Step 5: Solve for x
    x = 6,140,115,798,749,881/35,984,805.50
  6. Step 6: Final answer
    x = 170,630,790.23

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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.