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Finding the Third Proportional to 132,217,778 and 287,848,516

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Solution

The third proportional to 132,217,778 and 287,848,516 is: 626,668,889.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,217,778 : 287,848,516 = 287,848,516 : x
  2. Step 2: Convert to fraction form
    132,217,778/287,848,516 = 287,848,516/x
  3. Step 3: Cross multiply
    132,217,778x = 287,848,516 × 287,848,516
  4. Step 4: Simplify right side
    132,217,778x = 82,856,768,163,402,256
  5. Step 5: Solve for x
    x = 82,856,768,163,402,256/132,217,778
  6. Step 6: Final answer
    x = 626,668,889.89

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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.