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Finding the Third Proportional to 55,374,128 and 85,963,424

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Solution

The third proportional to 55,374,128 and 85,963,424 is: 133,450,593.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,374,128 : 85,963,424 = 85,963,424 : x
  2. Step 2: Convert to fraction form
    55,374,128/85,963,424 = 85,963,424/x
  3. Step 3: Cross multiply
    55,374,128x = 85,963,424 × 85,963,424
  4. Step 4: Simplify right side
    55,374,128x = 7,389,710,265,803,776
  5. Step 5: Solve for x
    x = 7,389,710,265,803,776/55,374,128
  6. Step 6: Final answer
    x = 133,450,593.86

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.