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Finding the Third Proportional to 321,671,010 and 702,331,972

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Solution

The third proportional to 321,671,010 and 702,331,972 is: 1,533,461,777.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,671,010 : 702,331,972 = 702,331,972 : x
  2. Step 2: Convert to fraction form
    321,671,010/702,331,972 = 702,331,972/x
  3. Step 3: Cross multiply
    321,671,010x = 702,331,972 × 702,331,972
  4. Step 4: Simplify right side
    321,671,010x = 493,270,198,893,408,768
  5. Step 5: Solve for x
    x = 493,270,198,893,408,768/321,671,010
  6. Step 6: Final answer
    x = 1,533,461,777.90

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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.