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Finding the Third Proportional to 3,918,712,459.50 and 8,460,806,913

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Solution

The third proportional to 3,918,712,459.50 and 8,460,806,913 is: 18,267,544,342.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918,712,459.50 : 8,460,806,913 = 8,460,806,913 : x
  2. Step 2: Convert to fraction form
    3,918,712,459.50/8,460,806,913 = 8,460,806,913/x
  3. Step 3: Cross multiply
    3,918,712,459.50x = 8,460,806,913 × 8,460,806,913
  4. Step 4: Simplify right side
    3,918,712,459.50x = 71,585,253,619,068,592,128
  5. Step 5: Solve for x
    x = 71,585,253,619,068,592,128/3,918,712,459.50
  6. Step 6: Final answer
    x = 18,267,544,342.41

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.