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Finding the Third Proportional to 399,495,996 and 875,361,951

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Solution

The third proportional to 399,495,996 and 875,361,951 is: 1,918,063,141.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,495,996 : 875,361,951 = 875,361,951 : x
  2. Step 2: Convert to fraction form
    399,495,996/875,361,951 = 875,361,951/x
  3. Step 3: Cross multiply
    399,495,996x = 875,361,951 × 875,361,951
  4. Step 4: Simplify right side
    399,495,996x = 766,258,545,258,526,464
  5. Step 5: Solve for x
    x = 766,258,545,258,526,464/399,495,996
  6. Step 6: Final answer
    x = 1,918,063,141.89

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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.