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Finding the Third Proportional to 8,663,689,307.25 and 18,988,264,620

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Solution

The third proportional to 8,663,689,307.25 and 18,988,264,620 is: 41,616,703,980.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,663,689,307.25 : 18,988,264,620 = 18,988,264,620 : x
  2. Step 2: Convert to fraction form
    8,663,689,307.25/18,988,264,620 = 18,988,264,620/x
  3. Step 3: Cross multiply
    8,663,689,307.25x = 18,988,264,620 × 18,988,264,620
  4. Step 4: Simplify right side
    8,663,689,307.25x = 360,554,193,279,143,772,160
  5. Step 5: Solve for x
    x = 360,554,193,279,143,772,160/8,663,689,307.25
  6. Step 6: Final answer
    x = 41,616,703,980.53

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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.