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Finding the Third Proportional to 84,213,655.31 and 183,256,291.88

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Solution

The third proportional to 84,213,655.31 and 183,256,291.88 is: 398,781,746.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,213,655.31 : 183,256,291.88 = 183,256,291.88 : x
  2. Step 2: Convert to fraction form
    84,213,655.31/183,256,291.88 = 183,256,291.88/x
  3. Step 3: Cross multiply
    84,213,655.31x = 183,256,291.88 × 183,256,291.88
  4. Step 4: Simplify right side
    84,213,655.31x = 33,582,868,511,775,192
  5. Step 5: Solve for x
    x = 33,582,868,511,775,192/84,213,655.31
  6. Step 6: Final answer
    x = 398,781,746.11

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.