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Finding the Third Proportional to 55,178,730 and 130,071,627

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Solution

The third proportional to 55,178,730 and 130,071,627 is: 306,615,033.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,178,730 : 130,071,627 = 130,071,627 : x
  2. Step 2: Convert to fraction form
    55,178,730/130,071,627 = 130,071,627/x
  3. Step 3: Cross multiply
    55,178,730x = 130,071,627 × 130,071,627
  4. Step 4: Simplify right side
    55,178,730x = 16,918,628,150,427,128
  5. Step 5: Solve for x
    x = 16,918,628,150,427,128/55,178,730
  6. Step 6: Final answer
    x = 306,615,033.55

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.