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Finding the Third Proportional to 164,979,078 and 358,333,697

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Solution

The third proportional to 164,979,078 and 358,333,697 is: 778,298,921.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,979,078 : 358,333,697 = 358,333,697 : x
  2. Step 2: Convert to fraction form
    164,979,078/358,333,697 = 358,333,697/x
  3. Step 3: Cross multiply
    164,979,078x = 358,333,697 × 358,333,697
  4. Step 4: Simplify right side
    164,979,078x = 128,403,038,405,687,808
  5. Step 5: Solve for x
    x = 128,403,038,405,687,808/164,979,078
  6. Step 6: Final answer
    x = 778,298,921.06

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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.