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Finding the Third Proportional to 43,534,138 and 62,931,840

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Solution

The third proportional to 43,534,138 and 62,931,840 is: 90,972,663.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,534,138 : 62,931,840 = 62,931,840 : x
  2. Step 2: Convert to fraction form
    43,534,138/62,931,840 = 62,931,840/x
  3. Step 3: Cross multiply
    43,534,138x = 62,931,840 × 62,931,840
  4. Step 4: Simplify right side
    43,534,138x = 3,960,416,485,785,600
  5. Step 5: Solve for x
    x = 3,960,416,485,785,600/43,534,138
  6. Step 6: Final answer
    x = 90,972,663.47

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.