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Finding the Third Proportional to 134,702,086 and 290,959,243

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Solution

The third proportional to 134,702,086 and 290,959,243 is: 628,477,877.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,702,086 : 290,959,243 = 290,959,243 : x
  2. Step 2: Convert to fraction form
    134,702,086/290,959,243 = 290,959,243/x
  3. Step 3: Cross multiply
    134,702,086x = 290,959,243 × 290,959,243
  4. Step 4: Simplify right side
    134,702,086x = 84,657,281,087,133,056
  5. Step 5: Solve for x
    x = 84,657,281,087,133,056/134,702,086
  6. Step 6: Final answer
    x = 628,477,877.37

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.