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Finding the Third Proportional to 161,012,740 and 353,656,808

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Solution

The third proportional to 161,012,740 and 353,656,808 is: 776,790,320.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,012,740 : 353,656,808 = 353,656,808 : x
  2. Step 2: Convert to fraction form
    161,012,740/353,656,808 = 353,656,808/x
  3. Step 3: Cross multiply
    161,012,740x = 353,656,808 × 353,656,808
  4. Step 4: Simplify right side
    161,012,740x = 125,073,137,844,748,864
  5. Step 5: Solve for x
    x = 125,073,137,844,748,864/161,012,740
  6. Step 6: Final answer
    x = 776,790,320.10

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.