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Finding the Third Proportional to 36,570,156 and 78,643,992

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Solution

The third proportional to 36,570,156 and 78,643,992 is: 169,123,628.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,570,156 : 78,643,992 = 78,643,992 : x
  2. Step 2: Convert to fraction form
    36,570,156/78,643,992 = 78,643,992/x
  3. Step 3: Cross multiply
    36,570,156x = 78,643,992 × 78,643,992
  4. Step 4: Simplify right side
    36,570,156x = 6,184,877,477,696,064
  5. Step 5: Solve for x
    x = 6,184,877,477,696,064/36,570,156
  6. Step 6: Final answer
    x = 169,123,628.50

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.