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Finding the Third Proportional to 68,145,087 and 148,779,038

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Solution

The third proportional to 68,145,087 and 148,779,038 is: 324,824,622.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,145,087 : 148,779,038 = 148,779,038 : x
  2. Step 2: Convert to fraction form
    68,145,087/148,779,038 = 148,779,038/x
  3. Step 3: Cross multiply
    68,145,087x = 148,779,038 × 148,779,038
  4. Step 4: Simplify right side
    68,145,087x = 22,135,202,148,205,444
  5. Step 5: Solve for x
    x = 22,135,202,148,205,444/68,145,087
  6. Step 6: Final answer
    x = 324,824,622.33

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.