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Finding the Third Proportional to 43,655,419.50 and 72,754,647.75

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Solution

The third proportional to 43,655,419.50 and 72,754,647.75 is: 121,250,438.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,655,419.50 : 72,754,647.75 = 72,754,647.75 : x
  2. Step 2: Convert to fraction form
    43,655,419.50/72,754,647.75 = 72,754,647.75/x
  3. Step 3: Cross multiply
    43,655,419.50x = 72,754,647.75 × 72,754,647.75
  4. Step 4: Simplify right side
    43,655,419.50x = 5,293,238,769,226,580
  5. Step 5: Solve for x
    x = 5,293,238,769,226,580/43,655,419.50
  6. Step 6: Final answer
    x = 121,250,438.77

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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.