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Finding the Third Proportional to 62,913,560 and 85,000,128

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Solution

The third proportional to 62,913,560 and 85,000,128 is: 114,840,453.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,913,560 : 85,000,128 = 85,000,128 : x
  2. Step 2: Convert to fraction form
    62,913,560/85,000,128 = 85,000,128/x
  3. Step 3: Cross multiply
    62,913,560x = 85,000,128 × 85,000,128
  4. Step 4: Simplify right side
    62,913,560x = 7,225,021,760,016,384
  5. Step 5: Solve for x
    x = 7,225,021,760,016,384/62,913,560
  6. Step 6: Final answer
    x = 114,840,453.47

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.