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Finding the Third Proportional to 71,626,712.63 and 153,465,211.69

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Solution

The third proportional to 71,626,712.63 and 153,465,211.69 is: 328,809,885.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,626,712.63 : 153,465,211.69 = 153,465,211.69 : x
  2. Step 2: Convert to fraction form
    71,626,712.63/153,465,211.69 = 153,465,211.69/x
  3. Step 3: Cross multiply
    71,626,712.63x = 153,465,211.69 × 153,465,211.69
  4. Step 4: Simplify right side
    71,626,712.63x = 23,551,571,198,289,188
  5. Step 5: Solve for x
    x = 23,551,571,198,289,188/71,626,712.63
  6. Step 6: Final answer
    x = 328,809,885.80

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.