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Finding the Third Proportional to 68,996,337.75 and 147,565,991.25

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Solution

The third proportional to 68,996,337.75 and 147,565,991.25 is: 315,606,921.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,996,337.75 : 147,565,991.25 = 147,565,991.25 : x
  2. Step 2: Convert to fraction form
    68,996,337.75/147,565,991.25 = 147,565,991.25/x
  3. Step 3: Cross multiply
    68,996,337.75x = 147,565,991.25 × 147,565,991.25
  4. Step 4: Simplify right side
    68,996,337.75x = 21,775,721,773,595,076
  5. Step 5: Solve for x
    x = 21,775,721,773,595,076/68,996,337.75
  6. Step 6: Final answer
    x = 315,606,921.81

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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.