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Finding the Third Proportional to 66,887,358 and 102,330,169.50

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Solution

The third proportional to 66,887,358 and 102,330,169.50 is: 156,553,703.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,887,358 : 102,330,169.50 = 102,330,169.50 : x
  2. Step 2: Convert to fraction form
    66,887,358/102,330,169.50 = 102,330,169.50/x
  3. Step 3: Cross multiply
    66,887,358x = 102,330,169.50 × 102,330,169.50
  4. Step 4: Simplify right side
    66,887,358x = 10,471,463,589,898,730
  5. Step 5: Solve for x
    x = 10,471,463,589,898,730/66,887,358
  6. Step 6: Final answer
    x = 156,553,703.17

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.