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Finding the Third Proportional to 42,443,548 and 86,447,888

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Solution

The third proportional to 42,443,548 and 86,447,888 is: 176,074,755.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,443,548 : 86,447,888 = 86,447,888 : x
  2. Step 2: Convert to fraction form
    42,443,548/86,447,888 = 86,447,888/x
  3. Step 3: Cross multiply
    42,443,548x = 86,447,888 × 86,447,888
  4. Step 4: Simplify right side
    42,443,548x = 7,473,237,339,660,544
  5. Step 5: Solve for x
    x = 7,473,237,339,660,544/42,443,548
  6. Step 6: Final answer
    x = 176,074,755.57

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.