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Finding the Third Proportional to 43,655,420.25 and 72,754,648.88

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Solution

The third proportional to 43,655,420.25 and 72,754,648.88 is: 121,250,440.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,655,420.25 : 72,754,648.88 = 72,754,648.88 : x
  2. Step 2: Convert to fraction form
    43,655,420.25/72,754,648.88 = 72,754,648.88/x
  3. Step 3: Cross multiply
    43,655,420.25x = 72,754,648.88 × 72,754,648.88
  4. Step 4: Simplify right side
    43,655,420.25x = 5,293,238,932,924,539
  5. Step 5: Solve for x
    x = 5,293,238,932,924,539/43,655,420.25
  6. Step 6: Final answer
    x = 121,250,440.44

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.