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Finding the Third Proportional to 55,991,710.69 and 85,692,537.56

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Solution

The third proportional to 55,991,710.69 and 85,692,537.56 is: 131,148,180.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,991,710.69 : 85,692,537.56 = 85,692,537.56 : x
  2. Step 2: Convert to fraction form
    55,991,710.69/85,692,537.56 = 85,692,537.56/x
  3. Step 3: Cross multiply
    55,991,710.69x = 85,692,537.56 × 85,692,537.56
  4. Step 4: Simplify right side
    55,991,710.69x = 7,343,210,993,900,473
  5. Step 5: Solve for x
    x = 7,343,210,993,900,473/55,991,710.69
  6. Step 6: Final answer
    x = 131,148,180.75

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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.