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Finding the Third Proportional to 62,729,680 and 135,070,784

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Solution

The third proportional to 62,729,680 and 135,070,784 is: 290,837,075.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,729,680 : 135,070,784 = 135,070,784 : x
  2. Step 2: Convert to fraction form
    62,729,680/135,070,784 = 135,070,784/x
  3. Step 3: Cross multiply
    62,729,680x = 135,070,784 × 135,070,784
  4. Step 4: Simplify right side
    62,729,680x = 18,244,116,690,374,656
  5. Step 5: Solve for x
    x = 18,244,116,690,374,656/62,729,680
  6. Step 6: Final answer
    x = 290,837,075.69

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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.