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Finding the Third Proportional to 219,261,804 and 487,546,888.50

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Solution

The third proportional to 219,261,804 and 487,546,888.50 is: 1,084,101,125.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,261,804 : 487,546,888.50 = 487,546,888.50 : x
  2. Step 2: Convert to fraction form
    219,261,804/487,546,888.50 = 487,546,888.50/x
  3. Step 3: Cross multiply
    219,261,804x = 487,546,888.50 × 487,546,888.50
  4. Step 4: Simplify right side
    219,261,804x = 237,701,968,486,031,424
  5. Step 5: Solve for x
    x = 237,701,968,486,031,424/219,261,804
  6. Step 6: Final answer
    x = 1,084,101,125.46

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.