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Finding the Third Proportional to 180,185,495 and 393,399,058

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Solution

The third proportional to 180,185,495 and 393,399,058 is: 858,908,309.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,185,495 : 393,399,058 = 393,399,058 : x
  2. Step 2: Convert to fraction form
    180,185,495/393,399,058 = 393,399,058/x
  3. Step 3: Cross multiply
    180,185,495x = 393,399,058 × 393,399,058
  4. Step 4: Simplify right side
    180,185,495x = 154,762,818,835,287,360
  5. Step 5: Solve for x
    x = 154,762,818,835,287,360/180,185,495
  6. Step 6: Final answer
    x = 858,908,309.10

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.