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Finding the Third Proportional to 1,391,348,988 and 3,032,696,133

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Solution

The third proportional to 1,391,348,988 and 3,032,696,133 is: 6,610,308,351.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,348,988 : 3,032,696,133 = 3,032,696,133 : x
  2. Step 2: Convert to fraction form
    1,391,348,988/3,032,696,133 = 3,032,696,133/x
  3. Step 3: Cross multiply
    1,391,348,988x = 3,032,696,133 × 3,032,696,133
  4. Step 4: Simplify right side
    1,391,348,988x = 9,197,245,835,113,153,536
  5. Step 5: Solve for x
    x = 9,197,245,835,113,153,536/1,391,348,988
  6. Step 6: Final answer
    x = 6,610,308,351.42

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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.