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Finding the Third Proportional to 861,317,480 and 1,889,387,884

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Solution

The third proportional to 861,317,480 and 1,889,387,884 is: 4,144,565,342.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,317,480 : 1,889,387,884 = 1,889,387,884 : x
  2. Step 2: Convert to fraction form
    861,317,480/1,889,387,884 = 1,889,387,884/x
  3. Step 3: Cross multiply
    861,317,480x = 1,889,387,884 × 1,889,387,884
  4. Step 4: Simplify right side
    861,317,480x = 3,569,786,576,205,997,568
  5. Step 5: Solve for x
    x = 3,569,786,576,205,997,568/861,317,480
  6. Step 6: Final answer
    x = 4,144,565,342.16

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.