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Finding the Third Proportional to 39,528,360 and 85,654,728

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Solution

The third proportional to 39,528,360 and 85,654,728 is: 185,606,800.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,528,360 : 85,654,728 = 85,654,728 : x
  2. Step 2: Convert to fraction form
    39,528,360/85,654,728 = 85,654,728/x
  3. Step 3: Cross multiply
    39,528,360x = 85,654,728 × 85,654,728
  4. Step 4: Simplify right side
    39,528,360x = 7,336,732,428,753,984
  5. Step 5: Solve for x
    x = 7,336,732,428,753,984/39,528,360
  6. Step 6: Final answer
    x = 185,606,800.50

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.