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Finding the Third Proportional to 47,881,311 and 74,292,139.50

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Solution

The third proportional to 47,881,311 and 74,292,139.50 is: 115,270,903.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,881,311 : 74,292,139.50 = 74,292,139.50 : x
  2. Step 2: Convert to fraction form
    47,881,311/74,292,139.50 = 74,292,139.50/x
  3. Step 3: Cross multiply
    47,881,311x = 74,292,139.50 × 74,292,139.50
  4. Step 4: Simplify right side
    47,881,311x = 5,519,321,991,487,460
  5. Step 5: Solve for x
    x = 5,519,321,991,487,460/47,881,311
  6. Step 6: Final answer
    x = 115,270,903.75

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.