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Finding the Third Proportional to 164,979,087 and 358,333,717

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Solution

The third proportional to 164,979,087 and 358,333,717 is: 778,298,965.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,979,087 : 358,333,717 = 358,333,717 : x
  2. Step 2: Convert to fraction form
    164,979,087/358,333,717 = 358,333,717/x
  3. Step 3: Cross multiply
    164,979,087x = 358,333,717 × 358,333,717
  4. Step 4: Simplify right side
    164,979,087x = 128,403,052,739,036,096
  5. Step 5: Solve for x
    x = 128,403,052,739,036,096/164,979,087
  6. Step 6: Final answer
    x = 778,298,965.49

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.