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Finding the Third Proportional to 764,658,605.95 and 1,646,976,372.89

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Solution

The third proportional to 764,658,605.95 and 1,646,976,372.89 is: 3,547,375,458.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,658,605.95 : 1,646,976,372.89 = 1,646,976,372.89 : x
  2. Step 2: Convert to fraction form
    764,658,605.95/1,646,976,372.89 = 1,646,976,372.89/x
  3. Step 3: Cross multiply
    764,658,605.95x = 1,646,976,372.89 × 1,646,976,372.89
  4. Step 4: Simplify right side
    764,658,605.95x = 2,712,531,172,859,876,352
  5. Step 5: Solve for x
    x = 2,712,531,172,859,876,352/764,658,605.95
  6. Step 6: Final answer
    x = 3,547,375,458.46

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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.