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Finding the Third Proportional to 258,875,898 and 554,598,372

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Solution

The third proportional to 258,875,898 and 554,598,372 is: 1,188,134,378.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,875,898 : 554,598,372 = 554,598,372 : x
  2. Step 2: Convert to fraction form
    258,875,898/554,598,372 = 554,598,372/x
  3. Step 3: Cross multiply
    258,875,898x = 554,598,372 × 554,598,372
  4. Step 4: Simplify right side
    258,875,898x = 307,579,354,225,050,368
  5. Step 5: Solve for x
    x = 307,579,354,225,050,368/258,875,898
  6. Step 6: Final answer
    x = 1,188,134,378.68

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These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.