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Finding the Third Proportional to 28,872,983.25 and 64,201,376.25

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Solution

The third proportional to 28,872,983.25 and 64,201,376.25 is: 142,756,869.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,872,983.25 : 64,201,376.25 = 64,201,376.25 : x
  2. Step 2: Convert to fraction form
    28,872,983.25/64,201,376.25 = 64,201,376.25/x
  3. Step 3: Cross multiply
    28,872,983.25x = 64,201,376.25 × 64,201,376.25
  4. Step 4: Simplify right side
    28,872,983.25x = 4,121,816,712,394,064
  5. Step 5: Solve for x
    x = 4,121,816,712,394,064/28,872,983.25
  6. Step 6: Final answer
    x = 142,756,869.86

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.