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Finding the Third Proportional to 186,294,616,774 and 405,230,019,948

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Solution

The third proportional to 186,294,616,774 and 405,230,019,948 is: 881,460,623,557.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,294,616,774 : 405,230,019,948 = 405,230,019,948 : x
  2. Step 2: Convert to fraction form
    186,294,616,774/405,230,019,948 = 405,230,019,948/x
  3. Step 3: Cross multiply
    186,294,616,774x = 405,230,019,948 × 405,230,019,948
  4. Step 4: Simplify right side
    186,294,616,774x = 164,211,369,067,056,484,843,520
  5. Step 5: Solve for x
    x = 164,211,369,067,056,484,843,520/186,294,616,774
  6. Step 6: Final answer
    x = 881,460,623,557.72

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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.