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Finding the Third Proportional to 56,032,128 and 86,533,920

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Solution

The third proportional to 56,032,128 and 86,533,920 is: 133,639,745.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,032,128 : 86,533,920 = 86,533,920 : x
  2. Step 2: Convert to fraction form
    56,032,128/86,533,920 = 86,533,920/x
  3. Step 3: Cross multiply
    56,032,128x = 86,533,920 × 86,533,920
  4. Step 4: Simplify right side
    56,032,128x = 7,488,119,310,566,400
  5. Step 5: Solve for x
    x = 7,488,119,310,566,400/56,032,128
  6. Step 6: Final answer
    x = 133,639,745.23

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.