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Finding the Third Proportional to 39,721,122 and 85,528,901.25

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Solution

The third proportional to 39,721,122 and 85,528,901.25 is: 184,163,804.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,721,122 : 85,528,901.25 = 85,528,901.25 : x
  2. Step 2: Convert to fraction form
    39,721,122/85,528,901.25 = 85,528,901.25/x
  3. Step 3: Cross multiply
    39,721,122x = 85,528,901.25 × 85,528,901.25
  4. Step 4: Simplify right side
    39,721,122x = 7,315,192,949,032,252
  5. Step 5: Solve for x
    x = 7,315,192,949,032,252/39,721,122
  6. Step 6: Final answer
    x = 184,163,804.56

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.