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Finding the Third Proportional to 66,887,656 and 102,330,588

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Solution

The third proportional to 66,887,656 and 102,330,588 is: 156,554,286.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,887,656 : 102,330,588 = 102,330,588 : x
  2. Step 2: Convert to fraction form
    66,887,656/102,330,588 = 102,330,588/x
  3. Step 3: Cross multiply
    66,887,656x = 102,330,588 × 102,330,588
  4. Step 4: Simplify right side
    66,887,656x = 10,471,549,240,425,744
  5. Step 5: Solve for x
    x = 10,471,549,240,425,744/66,887,656
  6. Step 6: Final answer
    x = 156,554,286.20

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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.