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Finding the Third Proportional to 290,898,058 and 627,132,788

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Solution

The third proportional to 290,898,058 and 627,132,788 is: 1,352,004,673.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,898,058 : 627,132,788 = 627,132,788 : x
  2. Step 2: Convert to fraction form
    290,898,058/627,132,788 = 627,132,788/x
  3. Step 3: Cross multiply
    290,898,058x = 627,132,788 × 627,132,788
  4. Step 4: Simplify right side
    290,898,058x = 393,295,533,784,652,928
  5. Step 5: Solve for x
    x = 393,295,533,784,652,928/290,898,058
  6. Step 6: Final answer
    x = 1,352,004,673.01

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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.