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Finding the Third Proportional to 8,915,893,453.69 and 19,108,070,110.13

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Solution

The third proportional to 8,915,893,453.69 and 19,108,070,110.13 is: 40,951,402,709.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,915,893,453.69 : 19,108,070,110.13 = 19,108,070,110.13 : x
  2. Step 2: Convert to fraction form
    8,915,893,453.69/19,108,070,110.13 = 19,108,070,110.13/x
  3. Step 3: Cross multiply
    8,915,893,453.69x = 19,108,070,110.13 × 19,108,070,110.13
  4. Step 4: Simplify right side
    8,915,893,453.69x = 365,118,343,333,452,447,744
  5. Step 5: Solve for x
    x = 365,118,343,333,452,447,744/8,915,893,453.69
  6. Step 6: Final answer
    x = 40,951,402,709.11

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.