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Finding the Third Proportional to 40,539,719 and 87,456,703

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Solution

The third proportional to 40,539,719 and 87,456,703 is: 188,671,137.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,539,719 : 87,456,703 = 87,456,703 : x
  2. Step 2: Convert to fraction form
    40,539,719/87,456,703 = 87,456,703/x
  3. Step 3: Cross multiply
    40,539,719x = 87,456,703 × 87,456,703
  4. Step 4: Simplify right side
    40,539,719x = 7,648,674,899,630,209
  5. Step 5: Solve for x
    x = 7,648,674,899,630,209/40,539,719
  6. Step 6: Final answer
    x = 188,671,137.55

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.